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Finding the Fourth Proportional to 273,387.60, 410,081.40 and 229,150.80

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Solution

The fourth proportional to 273,387.60, 410,081.40 and 229,150.80 is: 343,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,387.60 : 410,081.40 = 229,150.80 : x
  2. Step 2: Convert to fraction form
    273,387.60/410,081.40 = 229,150.80/x
  3. Step 3: Cross multiply
    273,387.60x = 410,081.40 × 229,150.80
  4. Step 4: Simplify right side
    273,387.60x = 93,970,480,875.12
  5. Step 5: Solve for x
    x = 93,970,480,875.12/273,387.60
  6. Step 6: Final answer
    x = 343,726.20

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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.