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Finding the Fourth Proportional to 560,489.04, 773,493.52 and 305,854.20

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Solution

The fourth proportional to 560,489.04, 773,493.52 and 305,854.20 is: 422,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,489.04 : 773,493.52 = 305,854.20 : x
  2. Step 2: Convert to fraction form
    560,489.04/773,493.52 = 305,854.20/x
  3. Step 3: Cross multiply
    560,489.04x = 773,493.52 × 305,854.20
  4. Step 4: Simplify right side
    560,489.04x = 236,576,241,764.78
  5. Step 5: Solve for x
    x = 236,576,241,764.78/560,489.04
  6. Step 6: Final answer
    x = 422,088.97

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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.