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Finding the Fourth Proportional to 361,521.60, 542,279.70 and 108,800.97

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Solution

The fourth proportional to 361,521.60, 542,279.70 and 108,800.97 is: 163,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,521.60 : 542,279.70 = 108,800.97 : x
  2. Step 2: Convert to fraction form
    361,521.60/542,279.70 = 108,800.97/x
  3. Step 3: Cross multiply
    361,521.60x = 542,279.70 × 108,800.97
  4. Step 4: Simplify right side
    361,521.60x = 59,000,557,371.31
  5. Step 5: Solve for x
    x = 59,000,557,371.31/361,521.60
  6. Step 6: Final answer
    x = 163,200.64

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1.5x scale

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.