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Finding the Fourth Proportional to 560,766.57, 773,871.13 and 306,119.58

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Solution

The fourth proportional to 560,766.57, 773,871.13 and 306,119.58 is: 422,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,766.57 : 773,871.13 = 306,119.58 : x
  2. Step 2: Convert to fraction form
    560,766.57/773,871.13 = 306,119.58/x
  3. Step 3: Cross multiply
    560,766.57x = 773,871.13 × 306,119.58
  4. Step 4: Simplify right side
    560,766.57x = 236,897,105,289.73
  5. Step 5: Solve for x
    x = 236,897,105,289.73/560,766.57
  6. Step 6: Final answer
    x = 422,452.26

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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.