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Finding the Fourth Proportional to 587,520.12, 881,283.22 and 267,448.15

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Solution

The fourth proportional to 587,520.12, 881,283.22 and 267,448.15 is: 401,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,520.12 : 881,283.22 = 267,448.15 : x
  2. Step 2: Convert to fraction form
    587,520.12/881,283.22 = 267,448.15/x
  3. Step 3: Cross multiply
    587,520.12x = 881,283.22 × 267,448.15
  4. Step 4: Simplify right side
    587,520.12x = 235,697,561,071.39
  5. Step 5: Solve for x
    x = 235,697,561,071.39/587,520.12
  6. Step 6: Final answer
    x = 401,173.60

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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.