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Finding the Fourth Proportional to 869,531.85, 1,302,224.18 and 869,531.85

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Solution

The fourth proportional to 869,531.85, 1,302,224.18 and 869,531.85 is: 1,302,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,531.85 : 1,302,224.18 = 869,531.85 : x
  2. Step 2: Convert to fraction form
    869,531.85/1,302,224.18 = 869,531.85/x
  3. Step 3: Cross multiply
    869,531.85x = 1,302,224.18 × 869,531.85
  4. Step 4: Simplify right side
    869,531.85x = 1,132,325,396,002.47
  5. Step 5: Solve for x
    x = 1,132,325,396,002.47/869,531.85
  6. Step 6: Final answer
    x = 1,302,224.18

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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.