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Finding the Fourth Proportional to 374,134.34, 516,475.32 and 238,354.46

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Solution

The fourth proportional to 374,134.34, 516,475.32 and 238,354.46 is: 329,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,134.34 : 516,475.32 = 238,354.46 : x
  2. Step 2: Convert to fraction form
    374,134.34/516,475.32 = 238,354.46/x
  3. Step 3: Cross multiply
    374,134.34x = 516,475.32 × 238,354.46
  4. Step 4: Simplify right side
    374,134.34x = 123,104,196,001.93
  5. Step 5: Solve for x
    x = 123,104,196,001.93/374,134.34
  6. Step 6: Final answer
    x = 329,037.41

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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.