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Finding the Fourth Proportional to 555,769.41, 766,951.76 and 314,046.75

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Solution

The fourth proportional to 555,769.41, 766,951.76 and 314,046.75 is: 433,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,769.41 : 766,951.76 = 314,046.75 : x
  2. Step 2: Convert to fraction form
    555,769.41/766,951.76 = 314,046.75/x
  3. Step 3: Cross multiply
    555,769.41x = 766,951.76 × 314,046.75
  4. Step 4: Simplify right side
    555,769.41x = 240,858,706,064.55
  5. Step 5: Solve for x
    x = 240,858,706,064.55/555,769.41
  6. Step 6: Final answer
    x = 433,378.85

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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.