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Finding the Fourth Proportional to 458,359.89, 632,527.11 and 254,398.84

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Solution

The fourth proportional to 458,359.89, 632,527.11 and 254,398.84 is: 351,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,359.89 : 632,527.11 = 254,398.84 : x
  2. Step 2: Convert to fraction form
    458,359.89/632,527.11 = 254,398.84/x
  3. Step 3: Cross multiply
    458,359.89x = 632,527.11 × 254,398.84
  4. Step 4: Simplify right side
    458,359.89x = 160,914,163,052.55
  5. Step 5: Solve for x
    x = 160,914,163,052.55/458,359.89
  6. Step 6: Final answer
    x = 351,065.11

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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.