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Finding the Fourth Proportional to 458,013.39, 632,068.61 and 254,057.66

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Solution

The fourth proportional to 458,013.39, 632,068.61 and 254,057.66 is: 350,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,013.39 : 632,068.61 = 254,057.66 : x
  2. Step 2: Convert to fraction form
    458,013.39/632,068.61 = 254,057.66/x
  3. Step 3: Cross multiply
    458,013.39x = 632,068.61 × 254,057.66
  4. Step 4: Simplify right side
    458,013.39x = 160,581,867,585.42
  5. Step 5: Solve for x
    x = 160,581,867,585.42/458,013.39
  6. Step 6: Final answer
    x = 350,605.18

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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.