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Finding the Fourth Proportional to 551,158.80, 825,863.40 and 363,951.60

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Solution

The fourth proportional to 551,158.80, 825,863.40 and 363,951.60 is: 545,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,158.80 : 825,863.40 = 363,951.60 : x
  2. Step 2: Convert to fraction form
    551,158.80/825,863.40 = 363,951.60/x
  3. Step 3: Cross multiply
    551,158.80x = 825,863.40 × 363,951.60
  4. Step 4: Simplify right side
    551,158.80x = 300,574,305,811.44
  5. Step 5: Solve for x
    x = 300,574,305,811.44/551,158.80
  6. Step 6: Final answer
    x = 545,349.74

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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.