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Finding the Fourth Proportional to 367,591.40, 551,387.10 and 249,626.60

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Solution

The fourth proportional to 367,591.40, 551,387.10 and 249,626.60 is: 374,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,591.40 : 551,387.10 = 249,626.60 : x
  2. Step 2: Convert to fraction form
    367,591.40/551,387.10 = 249,626.60/x
  3. Step 3: Cross multiply
    367,591.40x = 551,387.10 × 249,626.60
  4. Step 4: Simplify right side
    367,591.40x = 137,640,887,056.86
  5. Step 5: Solve for x
    x = 137,640,887,056.86/367,591.40
  6. Step 6: Final answer
    x = 374,439.90

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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.