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Finding the Fourth Proportional to 519,167.52, 716,443.92 and 292,885.92

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Solution

The fourth proportional to 519,167.52, 716,443.92 and 292,885.92 is: 404,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,167.52 : 716,443.92 = 292,885.92 : x
  2. Step 2: Convert to fraction form
    519,167.52/716,443.92 = 292,885.92/x
  3. Step 3: Cross multiply
    519,167.52x = 716,443.92 × 292,885.92
  4. Step 4: Simplify right side
    519,167.52x = 209,836,336,637.61
  5. Step 5: Solve for x
    x = 209,836,336,637.61/519,167.52
  6. Step 6: Final answer
    x = 404,178.48

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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.