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Finding the Fourth Proportional to 675,712.72, 932,483.43 and 369,789.29

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Solution

The fourth proportional to 675,712.72, 932,483.43 and 369,789.29 is: 510,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,712.72 : 932,483.43 = 369,789.29 : x
  2. Step 2: Convert to fraction form
    675,712.72/932,483.43 = 369,789.29/x
  3. Step 3: Cross multiply
    675,712.72x = 932,483.43 × 369,789.29
  4. Step 4: Simplify right side
    675,712.72x = 344,822,390,760.48
  5. Step 5: Solve for x
    x = 344,822,390,760.48/675,712.72
  6. Step 6: Final answer
    x = 510,309.16

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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.