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Finding the Fourth Proportional to 325,572.41, 488,377.08 and 100,964.78

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Solution

The fourth proportional to 325,572.41, 488,377.08 and 100,964.78 is: 151,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,572.41 : 488,377.08 = 100,964.78 : x
  2. Step 2: Convert to fraction form
    325,572.41/488,377.08 = 100,964.78/x
  3. Step 3: Cross multiply
    325,572.41x = 488,377.08 × 100,964.78
  4. Step 4: Simplify right side
    325,572.41x = 49,308,883,828.77
  5. Step 5: Solve for x
    x = 49,308,883,828.77/325,572.41
  6. Step 6: Final answer
    x = 151,452.89

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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.