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Finding the Fourth Proportional to 325,634.60, 488,306.10 and 125,888.60

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Solution

The fourth proportional to 325,634.60, 488,306.10 and 125,888.60 is: 188,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,634.60 : 488,306.10 = 125,888.60 : x
  2. Step 2: Convert to fraction form
    325,634.60/488,306.10 = 125,888.60/x
  3. Step 3: Cross multiply
    325,634.60x = 488,306.10 × 125,888.60
  4. Step 4: Simplify right side
    325,634.60x = 61,472,171,300.46
  5. Step 5: Solve for x
    x = 61,472,171,300.46/325,634.60
  6. Step 6: Final answer
    x = 188,776.53

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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.