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Finding the Fourth Proportional to 453,169.56, 679,311 and 187,154.22

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Solution

The fourth proportional to 453,169.56, 679,311 and 187,154.22 is: 280,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,169.56 : 679,311 = 187,154.22 : x
  2. Step 2: Convert to fraction form
    453,169.56/679,311 = 187,154.22/x
  3. Step 3: Cross multiply
    453,169.56x = 679,311 × 187,154.22
  4. Step 4: Simplify right side
    453,169.56x = 127,135,920,342.42
  5. Step 5: Solve for x
    x = 127,135,920,342.42/453,169.56
  6. Step 6: Final answer
    x = 280,548.24

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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.