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Finding the Fourth Proportional to 337,469.60, 506,564.40 and 145,439.12

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Solution

The fourth proportional to 337,469.60, 506,564.40 and 145,439.12 is: 218,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,469.60 : 506,564.40 = 145,439.12 : x
  2. Step 2: Convert to fraction form
    337,469.60/506,564.40 = 145,439.12/x
  3. Step 3: Cross multiply
    337,469.60x = 506,564.40 × 145,439.12
  4. Step 4: Simplify right side
    337,469.60x = 73,674,280,559.33
  5. Step 5: Solve for x
    x = 73,674,280,559.33/337,469.60
  6. Step 6: Final answer
    x = 218,313.83

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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.