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Finding the Fourth Proportional to 635,275.92, 952,711.52 and 208,712.72

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Solution

The fourth proportional to 635,275.92, 952,711.52 and 208,712.72 is: 313,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,275.92 : 952,711.52 = 208,712.72 : x
  2. Step 2: Convert to fraction form
    635,275.92/952,711.52 = 208,712.72/x
  3. Step 3: Cross multiply
    635,275.92x = 952,711.52 × 208,712.72
  4. Step 4: Simplify right side
    635,275.92x = 198,843,012,714.53
  5. Step 5: Solve for x
    x = 198,843,012,714.53/635,275.92
  6. Step 6: Final answer
    x = 313,002.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.