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Finding the Fourth Proportional to 374,972.50, 516,923.72 and 267,355.72

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Solution

The fourth proportional to 374,972.50, 516,923.72 and 267,355.72 is: 368,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,972.50 : 516,923.72 = 267,355.72 : x
  2. Step 2: Convert to fraction form
    374,972.50/516,923.72 = 267,355.72/x
  3. Step 3: Cross multiply
    374,972.50x = 516,923.72 × 267,355.72
  4. Step 4: Simplify right side
    374,972.50x = 138,202,513,345.68
  5. Step 5: Solve for x
    x = 138,202,513,345.68/374,972.50
  6. Step 6: Final answer
    x = 368,567.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.