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Finding the Fourth Proportional to 458,257.60, 632,366.82 and 276,862.30

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Solution

The fourth proportional to 458,257.60, 632,366.82 and 276,862.30 is: 382,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,257.60 : 632,366.82 = 276,862.30 : x
  2. Step 2: Convert to fraction form
    458,257.60/632,366.82 = 276,862.30/x
  3. Step 3: Cross multiply
    458,257.60x = 632,366.82 × 276,862.30
  4. Step 4: Simplify right side
    458,257.60x = 175,078,532,228.89
  5. Step 5: Solve for x
    x = 175,078,532,228.89/458,257.60
  6. Step 6: Final answer
    x = 382,052.65

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