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Finding the Fourth Proportional to 543,557.40, 814,504.77 and 227,842.08

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Solution

The fourth proportional to 543,557.40, 814,504.77 and 227,842.08 is: 341,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,557.40 : 814,504.77 = 227,842.08 : x
  2. Step 2: Convert to fraction form
    543,557.40/814,504.77 = 227,842.08/x
  3. Step 3: Cross multiply
    543,557.40x = 814,504.77 × 227,842.08
  4. Step 4: Simplify right side
    543,557.40x = 185,578,460,966.72
  5. Step 5: Solve for x
    x = 185,578,460,966.72/543,557.40
  6. Step 6: Final answer
    x = 341,414.65

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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.