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Finding the Fourth Proportional to 325,253.33, 487,926.48 and 100,632.95

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Solution

The fourth proportional to 325,253.33, 487,926.48 and 100,632.95 is: 150,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,253.33 : 487,926.48 = 100,632.95 : x
  2. Step 2: Convert to fraction form
    325,253.33/487,926.48 = 100,632.95/x
  3. Step 3: Cross multiply
    325,253.33x = 487,926.48 × 100,632.95
  4. Step 4: Simplify right side
    325,253.33x = 49,101,481,065.52
  5. Step 5: Solve for x
    x = 49,101,481,065.52/325,253.33
  6. Step 6: Final answer
    x = 150,963.81

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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.