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Finding the Fourth Proportional to 574,682.32, 793,031.34 and 329,654.71

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Solution

The fourth proportional to 574,682.32, 793,031.34 and 329,654.71 is: 454,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,682.32 : 793,031.34 = 329,654.71 : x
  2. Step 2: Convert to fraction form
    574,682.32/793,031.34 = 329,654.71/x
  3. Step 3: Cross multiply
    574,682.32x = 793,031.34 × 329,654.71
  4. Step 4: Simplify right side
    574,682.32x = 261,426,515,854.64
  5. Step 5: Solve for x
    x = 261,426,515,854.64/574,682.32
  6. Step 6: Final answer
    x = 454,906.14

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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.