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Finding the Fourth Proportional to 458,357.76, 632,524.17 and 254,396.72

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Solution

The fourth proportional to 458,357.76, 632,524.17 and 254,396.72 is: 351,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,357.76 : 632,524.17 = 254,396.72 : x
  2. Step 2: Convert to fraction form
    458,357.76/632,524.17 = 254,396.72/x
  3. Step 3: Cross multiply
    458,357.76x = 632,524.17 × 254,396.72
  4. Step 4: Simplify right side
    458,357.76x = 160,912,071,006.10
  5. Step 5: Solve for x
    x = 160,912,071,006.10/458,357.76
  6. Step 6: Final answer
    x = 351,062.17

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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.