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Finding the Fourth Proportional to 349,802.05, 482,689.61 and 196,837.57

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Solution

The fourth proportional to 349,802.05, 482,689.61 and 196,837.57 is: 271,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,802.05 : 482,689.61 = 196,837.57 : x
  2. Step 2: Convert to fraction form
    349,802.05/482,689.61 = 196,837.57/x
  3. Step 3: Cross multiply
    349,802.05x = 482,689.61 × 196,837.57
  4. Step 4: Simplify right side
    349,802.05x = 95,011,452,020.12
  5. Step 5: Solve for x
    x = 95,011,452,020.12/349,802.05
  6. Step 6: Final answer
    x = 271,614.91

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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.