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Finding the Fourth Proportional to 325,552.20, 488,401.20 and 125,854.80

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Solution

The fourth proportional to 325,552.20, 488,401.20 and 125,854.80 is: 188,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,552.20 : 488,401.20 = 125,854.80 : x
  2. Step 2: Convert to fraction form
    325,552.20/488,401.20 = 125,854.80/x
  3. Step 3: Cross multiply
    325,552.20x = 488,401.20 × 125,854.80
  4. Step 4: Simplify right side
    325,552.20x = 61,467,635,345.76
  5. Step 5: Solve for x
    x = 61,467,635,345.76/325,552.20
  6. Step 6: Final answer
    x = 188,810.38

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1.5x scale

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.