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Finding the Fourth Proportional to 586,974.90, 880,651.29 and 267,241.20

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Solution

The fourth proportional to 586,974.90, 880,651.29 and 267,241.20 is: 400,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,974.90 : 880,651.29 = 267,241.20 : x
  2. Step 2: Convert to fraction form
    586,974.90/880,651.29 = 267,241.20/x
  3. Step 3: Cross multiply
    586,974.90x = 880,651.29 × 267,241.20
  4. Step 4: Simplify right side
    586,974.90x = 235,346,307,521.15
  5. Step 5: Solve for x
    x = 235,346,307,521.15/586,974.90
  6. Step 6: Final answer
    x = 400,947.82

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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.