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Finding the Fourth Proportional to 349,606.52, 482,471.40 and 196,651.84

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Solution

The fourth proportional to 349,606.52, 482,471.40 and 196,651.84 is: 271,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,606.52 : 482,471.40 = 196,651.84 : x
  2. Step 2: Convert to fraction form
    349,606.52/482,471.40 = 196,651.84/x
  3. Step 3: Cross multiply
    349,606.52x = 482,471.40 × 196,651.84
  4. Step 4: Simplify right side
    349,606.52x = 94,878,888,557.38
  5. Step 5: Solve for x
    x = 94,878,888,557.38/349,606.52
  6. Step 6: Final answer
    x = 271,387.64

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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.