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Finding the Fourth Proportional to 339,577.25, 508,677.94 and 156,948.60

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Solution

The fourth proportional to 339,577.25, 508,677.94 and 156,948.60 is: 235,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,577.25 : 508,677.94 = 156,948.60 : x
  2. Step 2: Convert to fraction form
    339,577.25/508,677.94 = 156,948.60/x
  3. Step 3: Cross multiply
    339,577.25x = 508,677.94 × 156,948.60
  4. Step 4: Simplify right side
    339,577.25x = 79,836,292,637.61
  5. Step 5: Solve for x
    x = 79,836,292,637.61/339,577.25
  6. Step 6: Final answer
    x = 235,104.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.