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Finding the Fourth Proportional to 555,773.20, 766,967.23 and 301,122.56

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Solution

The fourth proportional to 555,773.20, 766,967.23 and 301,122.56 is: 415,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,773.20 : 766,967.23 = 301,122.56 : x
  2. Step 2: Convert to fraction form
    555,773.20/766,967.23 = 301,122.56/x
  3. Step 3: Cross multiply
    555,773.20x = 766,967.23 × 301,122.56
  4. Step 4: Simplify right side
    555,773.20x = 230,951,138,027.53
  5. Step 5: Solve for x
    x = 230,951,138,027.53/555,773.20
  6. Step 6: Final answer
    x = 415,549.25

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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.