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Finding the Fourth Proportional to 349,519.70, 482,332.58 and 196,557.84

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Solution

The fourth proportional to 349,519.70, 482,332.58 and 196,557.84 is: 271,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,519.70 : 482,332.58 = 196,557.84 : x
  2. Step 2: Convert to fraction form
    349,519.70/482,332.58 = 196,557.84/x
  3. Step 3: Cross multiply
    349,519.70x = 482,332.58 × 196,557.84
  4. Step 4: Simplify right side
    349,519.70x = 94,806,251,783.65
  5. Step 5: Solve for x
    x = 94,806,251,783.65/349,519.70
  6. Step 6: Final answer
    x = 271,247.24

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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.