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Finding the Fourth Proportional to 564,995.64, 847,493.44 and 354,781.20

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Solution

The fourth proportional to 564,995.64, 847,493.44 and 354,781.20 is: 532,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,995.64 : 847,493.44 = 354,781.20 : x
  2. Step 2: Convert to fraction form
    564,995.64/847,493.44 = 354,781.20/x
  3. Step 3: Cross multiply
    564,995.64x = 847,493.44 × 354,781.20
  4. Step 4: Simplify right side
    564,995.64x = 300,674,739,635.33
  5. Step 5: Solve for x
    x = 300,674,739,635.33/564,995.64
  6. Step 6: Final answer
    x = 532,171.79

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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.