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Finding the Fourth Proportional to 360,876.60, 540,731.70 and 227,518.20

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Solution

The fourth proportional to 360,876.60, 540,731.70 and 227,518.20 is: 340,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,876.60 : 540,731.70 = 227,518.20 : x
  2. Step 2: Convert to fraction form
    360,876.60/540,731.70 = 227,518.20/x
  3. Step 3: Cross multiply
    360,876.60x = 540,731.70 × 227,518.20
  4. Step 4: Simplify right side
    360,876.60x = 123,026,303,066.94
  5. Step 5: Solve for x
    x = 123,026,303,066.94/360,876.60
  6. Step 6: Final answer
    x = 340,909.62

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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.