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Finding the Fourth Proportional to 543,043.20, 814,953.60 and 227,726.40

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Solution

The fourth proportional to 543,043.20, 814,953.60 and 227,726.40 is: 341,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,043.20 : 814,953.60 = 227,726.40 : x
  2. Step 2: Convert to fraction form
    543,043.20/814,953.60 = 227,726.40/x
  3. Step 3: Cross multiply
    543,043.20x = 814,953.60 × 227,726.40
  4. Step 4: Simplify right side
    543,043.20x = 185,586,449,495.04
  5. Step 5: Solve for x
    x = 185,586,449,495.04/543,043.20
  6. Step 6: Final answer
    x = 341,752.64

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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.