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Finding the Fourth Proportional to 881,860.58, 1,217,188.05 and 542,132

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Solution

The fourth proportional to 881,860.58, 1,217,188.05 and 542,132 is: 748,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,860.58 : 1,217,188.05 = 542,132 : x
  2. Step 2: Convert to fraction form
    881,860.58/1,217,188.05 = 542,132/x
  3. Step 3: Cross multiply
    881,860.58x = 1,217,188.05 × 542,132
  4. Step 4: Simplify right side
    881,860.58x = 659,876,591,922.60
  5. Step 5: Solve for x
    x = 659,876,591,922.60/881,860.58
  6. Step 6: Final answer
    x = 748,277.68

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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.