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Finding the Fourth Proportional to 374,740.70, 516,996.90 and 238,750.29

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Solution

The fourth proportional to 374,740.70, 516,996.90 and 238,750.29 is: 329,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,740.70 : 516,996.90 = 238,750.29 : x
  2. Step 2: Convert to fraction form
    374,740.70/516,996.90 = 238,750.29/x
  3. Step 3: Cross multiply
    374,740.70x = 516,996.90 × 238,750.29
  4. Step 4: Simplify right side
    374,740.70x = 123,433,159,804.10
  5. Step 5: Solve for x
    x = 123,433,159,804.10/374,740.70
  6. Step 6: Final answer
    x = 329,382.85

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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.