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Finding the Fourth Proportional to 349,542.65, 482,364.27 and 196,580.79

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Solution

The fourth proportional to 349,542.65, 482,364.27 and 196,580.79 is: 271,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,542.65 : 482,364.27 = 196,580.79 : x
  2. Step 2: Convert to fraction form
    349,542.65/482,364.27 = 196,580.79/x
  3. Step 3: Cross multiply
    349,542.65x = 482,364.27 × 196,580.79
  4. Step 4: Simplify right side
    349,542.65x = 94,823,549,487.38
  5. Step 5: Solve for x
    x = 94,823,549,487.38/349,542.65
  6. Step 6: Final answer
    x = 271,278.92

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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.