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Finding the Fourth Proportional to 512,584.38, 768,897.63 and 175,856.58

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Solution

The fourth proportional to 512,584.38, 768,897.63 and 175,856.58 is: 263,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,584.38 : 768,897.63 = 175,856.58 : x
  2. Step 2: Convert to fraction form
    512,584.38/768,897.63 = 175,856.58/x
  3. Step 3: Cross multiply
    512,584.38x = 768,897.63 × 175,856.58
  4. Step 4: Simplify right side
    512,584.38x = 135,215,707,581.91
  5. Step 5: Solve for x
    x = 135,215,707,581.91/512,584.38
  6. Step 6: Final answer
    x = 263,792.10

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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.