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Finding the Fourth Proportional to 514,502.70, 771,754.05 and 159,552.60

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Solution

The fourth proportional to 514,502.70, 771,754.05 and 159,552.60 is: 239,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,502.70 : 771,754.05 = 159,552.60 : x
  2. Step 2: Convert to fraction form
    514,502.70/771,754.05 = 159,552.60/x
  3. Step 3: Cross multiply
    514,502.70x = 771,754.05 × 159,552.60
  4. Step 4: Simplify right side
    514,502.70x = 123,135,365,238.03
  5. Step 5: Solve for x
    x = 123,135,365,238.03/514,502.70
  6. Step 6: Final answer
    x = 239,328.90

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Similar ratio
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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.