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Finding the Fourth Proportional to 349,894.76, 482,901.06 and 196,962.56

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Solution

The fourth proportional to 349,894.76, 482,901.06 and 196,962.56 is: 271,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,894.76 : 482,901.06 = 196,962.56 : x
  2. Step 2: Convert to fraction form
    349,894.76/482,901.06 = 196,962.56/x
  3. Step 3: Cross multiply
    349,894.76x = 482,901.06 × 196,962.56
  4. Step 4: Simplify right side
    349,894.76x = 95,113,429,004.31
  5. Step 5: Solve for x
    x = 95,113,429,004.31/349,894.76
  6. Step 6: Final answer
    x = 271,834.39

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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.