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Finding the Fourth Proportional to 587,334.30, 820,496.55 and 587,334.30

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Solution

The fourth proportional to 587,334.30, 820,496.55 and 587,334.30 is: 820,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,334.30 : 820,496.55 = 587,334.30 : x
  2. Step 2: Convert to fraction form
    587,334.30/820,496.55 = 587,334.30/x
  3. Step 3: Cross multiply
    587,334.30x = 820,496.55 × 587,334.30
  4. Step 4: Simplify right side
    587,334.30x = 481,905,766,846.67
  5. Step 5: Solve for x
    x = 481,905,766,846.67/587,334.30
  6. Step 6: Final answer
    x = 820,496.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.