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Finding the Fourth Proportional to 268,590.60, 402,229.80 and 268,590.60

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Solution

The fourth proportional to 268,590.60, 402,229.80 and 268,590.60 is: 402,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,590.60 : 402,229.80 = 268,590.60 : x
  2. Step 2: Convert to fraction form
    268,590.60/402,229.80 = 268,590.60/x
  3. Step 3: Cross multiply
    268,590.60x = 402,229.80 × 268,590.60
  4. Step 4: Simplify right side
    268,590.60x = 108,035,143,319.88
  5. Step 5: Solve for x
    x = 108,035,143,319.88/268,590.60
  6. Step 6: Final answer
    x = 402,229.80

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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.