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Finding the Fourth Proportional to 452,537.53, 678,785.53 and 132,676.47

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Solution

The fourth proportional to 452,537.53, 678,785.53 and 132,676.47 is: 199,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,537.53 : 678,785.53 = 132,676.47 : x
  2. Step 2: Convert to fraction form
    452,537.53/678,785.53 = 132,676.47/x
  3. Step 3: Cross multiply
    452,537.53x = 678,785.53 × 132,676.47
  4. Step 4: Simplify right side
    452,537.53x = 90,058,867,675.79
  5. Step 5: Solve for x
    x = 90,058,867,675.79/452,537.53
  6. Step 6: Final answer
    x = 199,008.62

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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.