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Finding the Fourth Proportional to 372,866.64, 514,392.03 and 251,963.88

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Solution

The fourth proportional to 372,866.64, 514,392.03 and 251,963.88 is: 347,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,866.64 : 514,392.03 = 251,963.88 : x
  2. Step 2: Convert to fraction form
    372,866.64/514,392.03 = 251,963.88/x
  3. Step 3: Cross multiply
    372,866.64x = 514,392.03 × 251,963.88
  4. Step 4: Simplify right side
    372,866.64x = 129,608,211,719.88
  5. Step 5: Solve for x
    x = 129,608,211,719.88/372,866.64
  6. Step 6: Final answer
    x = 347,599.38

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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.