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Finding the Fourth Proportional to 417,999.77, 576,843.08 and 227,014.53

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Solution

The fourth proportional to 417,999.77, 576,843.08 and 227,014.53 is: 313,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,999.77 : 576,843.08 = 227,014.53 : x
  2. Step 2: Convert to fraction form
    417,999.77/576,843.08 = 227,014.53/x
  3. Step 3: Cross multiply
    417,999.77x = 576,843.08 × 227,014.53
  4. Step 4: Simplify right side
    417,999.77x = 130,951,760,689.95
  5. Step 5: Solve for x
    x = 130,951,760,689.95/417,999.77
  6. Step 6: Final answer
    x = 313,281.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.