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Finding the Fourth Proportional to 615,195.60, 922,793.40 and 553,194.15

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Solution

The fourth proportional to 615,195.60, 922,793.40 and 553,194.15 is: 829,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,195.60 : 922,793.40 = 553,194.15 : x
  2. Step 2: Convert to fraction form
    615,195.60/922,793.40 = 553,194.15/x
  3. Step 3: Cross multiply
    615,195.60x = 922,793.40 × 553,194.15
  4. Step 4: Simplify right side
    615,195.60x = 510,483,910,538.61
  5. Step 5: Solve for x
    x = 510,483,910,538.61/615,195.60
  6. Step 6: Final answer
    x = 829,791.23

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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.