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Finding the Fourth Proportional to 587,521.12, 881,284.72 and 267,449.15

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Solution

The fourth proportional to 587,521.12, 881,284.72 and 267,449.15 is: 401,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,521.12 : 881,284.72 = 267,449.15 : x
  2. Step 2: Convert to fraction form
    587,521.12/881,284.72 = 267,449.15/x
  3. Step 3: Cross multiply
    587,521.12x = 881,284.72 × 267,449.15
  4. Step 4: Simplify right side
    587,521.12x = 235,698,849,271.99
  5. Step 5: Solve for x
    x = 235,698,849,271.99/587,521.12
  6. Step 6: Final answer
    x = 401,175.11

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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.