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Finding the Fourth Proportional to 374,132.34, 516,472.56 and 238,352.46

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Solution

The fourth proportional to 374,132.34, 516,472.56 and 238,352.46 is: 329,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,132.34 : 516,472.56 = 238,352.46 : x
  2. Step 2: Convert to fraction form
    374,132.34/516,472.56 = 238,352.46/x
  3. Step 3: Cross multiply
    374,132.34x = 516,472.56 × 238,352.46
  4. Step 4: Simplify right side
    374,132.34x = 123,102,505,198.50
  5. Step 5: Solve for x
    x = 123,102,505,198.50/374,132.34
  6. Step 6: Final answer
    x = 329,034.65

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1.5x scale

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.