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Finding the Fourth Proportional to 337,543.80, 506,315.70 and 137,797.80

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Solution

The fourth proportional to 337,543.80, 506,315.70 and 137,797.80 is: 206,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,543.80 : 506,315.70 = 137,797.80 : x
  2. Step 2: Convert to fraction form
    337,543.80/506,315.70 = 137,797.80/x
  3. Step 3: Cross multiply
    337,543.80x = 506,315.70 × 137,797.80
  4. Step 4: Simplify right side
    337,543.80x = 69,769,189,565.46
  5. Step 5: Solve for x
    x = 69,769,189,565.46/337,543.80
  6. Step 6: Final answer
    x = 206,696.70

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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.