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Finding the Fourth Proportional to 338,342.88, 466,929.84 and 187,440.48

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Solution

The fourth proportional to 338,342.88, 466,929.84 and 187,440.48 is: 258,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,342.88 : 466,929.84 = 187,440.48 : x
  2. Step 2: Convert to fraction form
    338,342.88/466,929.84 = 187,440.48/x
  3. Step 3: Cross multiply
    338,342.88x = 466,929.84 × 187,440.48
  4. Step 4: Simplify right side
    338,342.88x = 87,521,553,335.92
  5. Step 5: Solve for x
    x = 87,521,553,335.92/338,342.88
  6. Step 6: Final answer
    x = 258,677.10

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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.