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Finding the Fourth Proportional to 491,726.53, 737,721.05 and 176,215.33

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Solution

The fourth proportional to 491,726.53, 737,721.05 and 176,215.33 is: 264,370.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,726.53 : 737,721.05 = 176,215.33 : x
  2. Step 2: Convert to fraction form
    491,726.53/737,721.05 = 176,215.33/x
  3. Step 3: Cross multiply
    491,726.53x = 737,721.05 × 176,215.33
  4. Step 4: Simplify right side
    491,726.53x = 129,997,758,273.70
  5. Step 5: Solve for x
    x = 129,997,758,273.70/491,726.53
  6. Step 6: Final answer
    x = 264,370.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.