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Finding the Fourth Proportional to 453,749.55, 680,624.52 and 187,217.10

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Solution

The fourth proportional to 453,749.55, 680,624.52 and 187,217.10 is: 280,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,749.55 : 680,624.52 = 187,217.10 : x
  2. Step 2: Convert to fraction form
    453,749.55/680,624.52 = 187,217.10/x
  3. Step 3: Cross multiply
    453,749.55x = 680,624.52 × 187,217.10
  4. Step 4: Simplify right side
    453,749.55x = 127,424,548,823.29
  5. Step 5: Solve for x
    x = 127,424,548,823.29/453,749.55
  6. Step 6: Final answer
    x = 280,825.73

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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.