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Finding the Fourth Proportional to 349,521.71, 482,335.34 and 196,559.85

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Solution

The fourth proportional to 349,521.71, 482,335.34 and 196,559.85 is: 271,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,521.71 : 482,335.34 = 196,559.85 : x
  2. Step 2: Convert to fraction form
    349,521.71/482,335.34 = 196,559.85/x
  3. Step 3: Cross multiply
    349,521.71x = 482,335.34 × 196,559.85
  4. Step 4: Simplify right side
    349,521.71x = 94,807,761,097.30
  5. Step 5: Solve for x
    x = 94,807,761,097.30/349,521.71
  6. Step 6: Final answer
    x = 271,250.00

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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.