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Finding the Fourth Proportional to 637,754,469.70, 956,631,704.55 and 483,565,720.90

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Solution

The fourth proportional to 637,754,469.70, 956,631,704.55 and 483,565,720.90 is: 725,348,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,754,469.70 : 956,631,704.55 = 483,565,720.90 : x
  2. Step 2: Convert to fraction form
    637,754,469.70/956,631,704.55 = 483,565,720.90/x
  3. Step 3: Cross multiply
    637,754,469.70x = 956,631,704.55 × 483,565,720.90
  4. Step 4: Simplify right side
    637,754,469.70x = 462,594,299,846,516,544
  5. Step 5: Solve for x
    x = 462,594,299,846,516,544/637,754,469.70
  6. Step 6: Final answer
    x = 725,348,581.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.