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Finding the Fourth Proportional to 458,701.80, 688,052.70 and 159,082.80

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Solution

The fourth proportional to 458,701.80, 688,052.70 and 159,082.80 is: 238,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,701.80 : 688,052.70 = 159,082.80 : x
  2. Step 2: Convert to fraction form
    458,701.80/688,052.70 = 159,082.80/x
  3. Step 3: Cross multiply
    458,701.80x = 688,052.70 × 159,082.80
  4. Step 4: Simplify right side
    458,701.80x = 109,457,350,063.56
  5. Step 5: Solve for x
    x = 109,457,350,063.56/458,701.80
  6. Step 6: Final answer
    x = 238,624.20

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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.