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Finding the Fourth Proportional to 325,838.38, 488,451.12 and 175,853.92

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Solution

The fourth proportional to 325,838.38, 488,451.12 and 175,853.92 is: 263,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,838.38 : 488,451.12 = 175,853.92 : x
  2. Step 2: Convert to fraction form
    325,838.38/488,451.12 = 175,853.92/x
  3. Step 3: Cross multiply
    325,838.38x = 488,451.12 × 175,853.92
  4. Step 4: Simplify right side
    325,838.38x = 85,896,044,180.39
  5. Step 5: Solve for x
    x = 85,896,044,180.39/325,838.38
  6. Step 6: Final answer
    x = 263,615.49

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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.