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Finding the Fourth Proportional to 461,263.56, 691,389.90 and 180,472.20

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Solution

The fourth proportional to 461,263.56, 691,389.90 and 180,472.20 is: 270,510.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,263.56 : 691,389.90 = 180,472.20 : x
  2. Step 2: Convert to fraction form
    461,263.56/691,389.90 = 180,472.20/x
  3. Step 3: Cross multiply
    461,263.56x = 691,389.90 × 180,472.20
  4. Step 4: Simplify right side
    461,263.56x = 124,776,656,310.78
  5. Step 5: Solve for x
    x = 124,776,656,310.78/461,263.56
  6. Step 6: Final answer
    x = 270,510.54

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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.