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Finding the Fourth Proportional to 458,382.51, 632,500.45 and 254,434.96

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Solution

The fourth proportional to 458,382.51, 632,500.45 and 254,434.96 is: 351,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,382.51 : 632,500.45 = 254,434.96 : x
  2. Step 2: Convert to fraction form
    458,382.51/632,500.45 = 254,434.96/x
  3. Step 3: Cross multiply
    458,382.51x = 632,500.45 × 254,434.96
  4. Step 4: Simplify right side
    458,382.51x = 160,930,226,695.73
  5. Step 5: Solve for x
    x = 160,930,226,695.73/458,382.51
  6. Step 6: Final answer
    x = 351,082.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.