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Finding the Fourth Proportional to 453,002.63, 679,508.04 and 137,459.53

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Solution

The fourth proportional to 453,002.63, 679,508.04 and 137,459.53 is: 206,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,002.63 : 679,508.04 = 137,459.53 : x
  2. Step 2: Convert to fraction form
    453,002.63/679,508.04 = 137,459.53/x
  3. Step 3: Cross multiply
    453,002.63x = 679,508.04 × 137,459.53
  4. Step 4: Simplify right side
    453,002.63x = 93,404,856,401.27
  5. Step 5: Solve for x
    x = 93,404,856,401.27/453,002.63
  6. Step 6: Final answer
    x = 206,190.54

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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.