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Finding the Fourth Proportional to 454,769.80, 682,154.70 and 155,150.80

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Solution

The fourth proportional to 454,769.80, 682,154.70 and 155,150.80 is: 232,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,769.80 : 682,154.70 = 155,150.80 : x
  2. Step 2: Convert to fraction form
    454,769.80/682,154.70 = 155,150.80/x
  3. Step 3: Cross multiply
    454,769.80x = 682,154.70 × 155,150.80
  4. Step 4: Simplify right side
    454,769.80x = 105,836,847,428.76
  5. Step 5: Solve for x
    x = 105,836,847,428.76/454,769.80
  6. Step 6: Final answer
    x = 232,726.20

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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.