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Finding the Fourth Proportional to 337,869.88, 506,920.74 and 127,567.96

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Solution

The fourth proportional to 337,869.88, 506,920.74 and 127,567.96 is: 191,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,869.88 : 506,920.74 = 127,567.96 : x
  2. Step 2: Convert to fraction form
    337,869.88/506,920.74 = 127,567.96/x
  3. Step 3: Cross multiply
    337,869.88x = 506,920.74 × 127,567.96
  4. Step 4: Simplify right side
    337,869.88x = 64,666,844,683.49
  5. Step 5: Solve for x
    x = 64,666,844,683.49/337,869.88
  6. Step 6: Final answer
    x = 191,395.71

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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.