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Finding the Fourth Proportional to 452,966.40, 625,128.48 and 271,685.52

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Solution

The fourth proportional to 452,966.40, 625,128.48 and 271,685.52 is: 374,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,966.40 : 625,128.48 = 271,685.52 : x
  2. Step 2: Convert to fraction form
    452,966.40/625,128.48 = 271,685.52/x
  3. Step 3: Cross multiply
    452,966.40x = 625,128.48 × 271,685.52
  4. Step 4: Simplify right side
    452,966.40x = 169,838,356,155.61
  5. Step 5: Solve for x
    x = 169,838,356,155.61/452,966.40
  6. Step 6: Final answer
    x = 374,946.92

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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.