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Finding the Fourth Proportional to 452,915.91, 625,023.96 and 261,941.60

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Solution

The fourth proportional to 452,915.91, 625,023.96 and 261,941.60 is: 361,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,915.91 : 625,023.96 = 261,941.60 : x
  2. Step 2: Convert to fraction form
    452,915.91/625,023.96 = 261,941.60/x
  3. Step 3: Cross multiply
    452,915.91x = 625,023.96 × 261,941.60
  4. Step 4: Simplify right side
    452,915.91x = 163,719,777,683.30
  5. Step 5: Solve for x
    x = 163,719,777,683.30/452,915.91
  6. Step 6: Final answer
    x = 361,479.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.