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Finding the Fourth Proportional to 272,404.22, 375,930 and 227,006.24

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Solution

The fourth proportional to 272,404.22, 375,930 and 227,006.24 is: 313,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,404.22 : 375,930 = 227,006.24 : x
  2. Step 2: Convert to fraction form
    272,404.22/375,930 = 227,006.24/x
  3. Step 3: Cross multiply
    272,404.22x = 375,930 × 227,006.24
  4. Step 4: Simplify right side
    272,404.22x = 85,338,453,923.55
  5. Step 5: Solve for x
    x = 85,338,453,923.55/272,404.22
  6. Step 6: Final answer
    x = 313,278.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.