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Finding the Fourth Proportional to 534,686.38, 802,029.57 and 179,700.40

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Solution

The fourth proportional to 534,686.38, 802,029.57 and 179,700.40 is: 269,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,686.38 : 802,029.57 = 179,700.40 : x
  2. Step 2: Convert to fraction form
    534,686.38/802,029.57 = 179,700.40/x
  3. Step 3: Cross multiply
    534,686.38x = 802,029.57 × 179,700.40
  4. Step 4: Simplify right side
    534,686.38x = 144,125,034,540.83
  5. Step 5: Solve for x
    x = 144,125,034,540.83/534,686.38
  6. Step 6: Final answer
    x = 269,550.60

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Similar ratio
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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.