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Finding the Fourth Proportional to 782,104.88, 1,079,304.74 and 424,408.88

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Solution

The fourth proportional to 782,104.88, 1,079,304.74 and 424,408.88 is: 585,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,104.88 : 1,079,304.74 = 424,408.88 : x
  2. Step 2: Convert to fraction form
    782,104.88/1,079,304.74 = 424,408.88/x
  3. Step 3: Cross multiply
    782,104.88x = 1,079,304.74 × 424,408.88
  4. Step 4: Simplify right side
    782,104.88x = 458,066,508,363.52
  5. Step 5: Solve for x
    x = 458,066,508,363.52/782,104.88
  6. Step 6: Final answer
    x = 585,684.25

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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.