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Finding the Fourth Proportional to 337,639.94, 506,459.92 and 137,960.16

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Solution

The fourth proportional to 337,639.94, 506,459.92 and 137,960.16 is: 206,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,639.94 : 506,459.92 = 137,960.16 : x
  2. Step 2: Convert to fraction form
    337,639.94/506,459.92 = 137,960.16/x
  3. Step 3: Cross multiply
    337,639.94x = 506,459.92 × 137,960.16
  4. Step 4: Simplify right side
    337,639.94x = 69,871,291,596.79
  5. Step 5: Solve for x
    x = 69,871,291,596.79/337,639.94
  6. Step 6: Final answer
    x = 206,940.24

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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.