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Finding the Fourth Proportional to 453,297.52, 679,801.11 and 149,623.75

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Solution

The fourth proportional to 453,297.52, 679,801.11 and 149,623.75 is: 224,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,297.52 : 679,801.11 = 149,623.75 : x
  2. Step 2: Convert to fraction form
    453,297.52/679,801.11 = 149,623.75/x
  3. Step 3: Cross multiply
    453,297.52x = 679,801.11 × 149,623.75
  4. Step 4: Simplify right side
    453,297.52x = 101,714,391,332.36
  5. Step 5: Solve for x
    x = 101,714,391,332.36/453,297.52
  6. Step 6: Final answer
    x = 224,387.71

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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.