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Finding the Fourth Proportional to 497,149.60, 745,724.40 and 483,325.60

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Solution

The fourth proportional to 497,149.60, 745,724.40 and 483,325.60 is: 724,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,149.60 : 745,724.40 = 483,325.60 : x
  2. Step 2: Convert to fraction form
    497,149.60/745,724.40 = 483,325.60/x
  3. Step 3: Cross multiply
    497,149.60x = 745,724.40 × 483,325.60
  4. Step 4: Simplify right side
    497,149.60x = 360,427,693,064.64
  5. Step 5: Solve for x
    x = 360,427,693,064.64/497,149.60
  6. Step 6: Final answer
    x = 724,988.40

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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.