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Finding the Fourth Proportional to 352,585.52, 486,519.02 and 207,397.88

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Solution

The fourth proportional to 352,585.52, 486,519.02 and 207,397.88 is: 286,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,585.52 : 486,519.02 = 207,397.88 : x
  2. Step 2: Convert to fraction form
    352,585.52/486,519.02 = 207,397.88/x
  3. Step 3: Cross multiply
    352,585.52x = 486,519.02 × 207,397.88
  4. Step 4: Simplify right side
    352,585.52x = 100,903,013,327.68
  5. Step 5: Solve for x
    x = 100,903,013,327.68/352,585.52
  6. Step 6: Final answer
    x = 286,180.25

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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.