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Finding the Fourth Proportional to 348,345.97, 522,592.76 and 111,854.72

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Solution

The fourth proportional to 348,345.97, 522,592.76 and 111,854.72 is: 167,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,345.97 : 522,592.76 = 111,854.72 : x
  2. Step 2: Convert to fraction form
    348,345.97/522,592.76 = 111,854.72/x
  3. Step 3: Cross multiply
    348,345.97x = 522,592.76 × 111,854.72
  4. Step 4: Simplify right side
    348,345.97x = 58,454,468,429.95
  5. Step 5: Solve for x
    x = 58,454,468,429.95/348,345.97
  6. Step 6: Final answer
    x = 167,805.78

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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.