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Finding the Fourth Proportional to 264,788.20, 396,526.20 and 169,872.40

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Solution

The fourth proportional to 264,788.20, 396,526.20 and 169,872.40 is: 254,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,788.20 : 396,526.20 = 169,872.40 : x
  2. Step 2: Convert to fraction form
    264,788.20/396,526.20 = 169,872.40/x
  3. Step 3: Cross multiply
    264,788.20x = 396,526.20 × 169,872.40
  4. Step 4: Simplify right side
    264,788.20x = 67,358,857,256.88
  5. Step 5: Solve for x
    x = 67,358,857,256.88/264,788.20
  6. Step 6: Final answer
    x = 254,387.69

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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.