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Finding the Fourth Proportional to 349,500.88, 482,296.92 and 196,534.72

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Solution

The fourth proportional to 349,500.88, 482,296.92 and 196,534.72 is: 271,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,500.88 : 482,296.92 = 196,534.72 : x
  2. Step 2: Convert to fraction form
    349,500.88/482,296.92 = 196,534.72/x
  3. Step 3: Cross multiply
    349,500.88x = 482,296.92 × 196,534.72
  4. Step 4: Simplify right side
    349,500.88x = 94,788,090,129.06
  5. Step 5: Solve for x
    x = 94,788,090,129.06/349,500.88
  6. Step 6: Final answer
    x = 271,209.88

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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.