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Finding the Fourth Proportional to 353,355.39, 530,203.17 and 175,877.91

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Solution

The fourth proportional to 353,355.39, 530,203.17 and 175,877.91 is: 263,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,355.39 : 530,203.17 = 175,877.91 : x
  2. Step 2: Convert to fraction form
    353,355.39/530,203.17 = 175,877.91/x
  3. Step 3: Cross multiply
    353,355.39x = 530,203.17 × 175,877.91
  4. Step 4: Simplify right side
    353,355.39x = 93,251,025,414.97
  5. Step 5: Solve for x
    x = 93,251,025,414.97/353,355.39
  6. Step 6: Final answer
    x = 263,901.52

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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.