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Finding the Fourth Proportional to 351,250.72, 484,726.56 and 190,105.88

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Solution

The fourth proportional to 351,250.72, 484,726.56 and 190,105.88 is: 262,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,250.72 : 484,726.56 = 190,105.88 : x
  2. Step 2: Convert to fraction form
    351,250.72/484,726.56 = 190,105.88/x
  3. Step 3: Cross multiply
    351,250.72x = 484,726.56 × 190,105.88
  4. Step 4: Simplify right side
    351,250.72x = 92,149,369,248.17
  5. Step 5: Solve for x
    x = 92,149,369,248.17/351,250.72
  6. Step 6: Final answer
    x = 262,346.42

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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.