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Finding the Fourth Proportional to 337,709.92, 506,686.32 and 157,955.68

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Solution

The fourth proportional to 337,709.92, 506,686.32 and 157,955.68 is: 236,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,709.92 : 506,686.32 = 157,955.68 : x
  2. Step 2: Convert to fraction form
    337,709.92/506,686.32 = 157,955.68/x
  3. Step 3: Cross multiply
    337,709.92x = 506,686.32 × 157,955.68
  4. Step 4: Simplify right side
    337,709.92x = 80,033,982,222.30
  5. Step 5: Solve for x
    x = 80,033,982,222.30/337,709.92
  6. Step 6: Final answer
    x = 236,990.32

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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.