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Finding the Fourth Proportional to 466,205.76, 699,231.24 and 129,281.04

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Solution

The fourth proportional to 466,205.76, 699,231.24 and 129,281.04 is: 193,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,205.76 : 699,231.24 = 129,281.04 : x
  2. Step 2: Convert to fraction form
    466,205.76/699,231.24 = 129,281.04/x
  3. Step 3: Cross multiply
    466,205.76x = 699,231.24 × 129,281.04
  4. Step 4: Simplify right side
    466,205.76x = 90,397,341,907.69
  5. Step 5: Solve for x
    x = 90,397,341,907.69/466,205.76
  6. Step 6: Final answer
    x = 193,900.10

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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.