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Finding the Fourth Proportional to 566,422.54, 781,265.05 and 372,768.55

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Solution

The fourth proportional to 566,422.54, 781,265.05 and 372,768.55 is: 514,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,422.54 : 781,265.05 = 372,768.55 : x
  2. Step 2: Convert to fraction form
    566,422.54/781,265.05 = 372,768.55/x
  3. Step 3: Cross multiply
    566,422.54x = 781,265.05 × 372,768.55
  4. Step 4: Simplify right side
    566,422.54x = 291,231,039,854.18
  5. Step 5: Solve for x
    x = 291,231,039,854.18/566,422.54
  6. Step 6: Final answer
    x = 514,158.63

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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.