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Finding the Fourth Proportional to 564,108.31, 846,162.78 and 279,995.14

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Solution

The fourth proportional to 564,108.31, 846,162.78 and 279,995.14 is: 419,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,108.31 : 846,162.78 = 279,995.14 : x
  2. Step 2: Convert to fraction form
    564,108.31/846,162.78 = 279,995.14/x
  3. Step 3: Cross multiply
    564,108.31x = 846,162.78 × 279,995.14
  4. Step 4: Simplify right side
    564,108.31x = 236,921,466,048.89
  5. Step 5: Solve for x
    x = 236,921,466,048.89/564,108.31
  6. Step 6: Final answer
    x = 419,992.87

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Similar ratio
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1.5x scale

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.