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Finding the Fourth Proportional to 453,250.72, 679,974.90 and 149,658.22

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Solution

The fourth proportional to 453,250.72, 679,974.90 and 149,658.22 is: 224,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,250.72 : 679,974.90 = 149,658.22 : x
  2. Step 2: Convert to fraction form
    453,250.72/679,974.90 = 149,658.22/x
  3. Step 3: Cross multiply
    453,250.72x = 679,974.90 × 149,658.22
  4. Step 4: Simplify right side
    453,250.72x = 101,763,833,178.68
  5. Step 5: Solve for x
    x = 101,763,833,178.68/453,250.72
  6. Step 6: Final answer
    x = 224,519.96

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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.