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Finding the Fourth Proportional to 452,718.32, 679,077.60 and 168,371.71

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Solution

The fourth proportional to 452,718.32, 679,077.60 and 168,371.71 is: 252,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,718.32 : 679,077.60 = 168,371.71 : x
  2. Step 2: Convert to fraction form
    452,718.32/679,077.60 = 168,371.71/x
  3. Step 3: Cross multiply
    452,718.32x = 679,077.60 × 168,371.71
  4. Step 4: Simplify right side
    452,718.32x = 114,337,458,698.97
  5. Step 5: Solve for x
    x = 114,337,458,698.97/452,718.32
  6. Step 6: Final answer
    x = 252,557.62

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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.