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Finding the Fourth Proportional to 435,354.68, 653,219.17 and 225,140.24

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Solution

The fourth proportional to 435,354.68, 653,219.17 and 225,140.24 is: 337,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,354.68 : 653,219.17 = 225,140.24 : x
  2. Step 2: Convert to fraction form
    435,354.68/653,219.17 = 225,140.24/x
  3. Step 3: Cross multiply
    435,354.68x = 653,219.17 × 225,140.24
  4. Step 4: Simplify right side
    435,354.68x = 147,065,921,776.60
  5. Step 5: Solve for x
    x = 147,065,921,776.60/435,354.68
  6. Step 6: Final answer
    x = 337,807.14

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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.