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Finding the Fourth Proportional to 325,601.80, 488,517.90 and 314,081.80

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Solution

The fourth proportional to 325,601.80, 488,517.90 and 314,081.80 is: 471,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,601.80 : 488,517.90 = 314,081.80 : x
  2. Step 2: Convert to fraction form
    325,601.80/488,517.90 = 314,081.80/x
  3. Step 3: Cross multiply
    325,601.80x = 488,517.90 × 314,081.80
  4. Step 4: Simplify right side
    325,601.80x = 153,434,581,364.22
  5. Step 5: Solve for x
    x = 153,434,581,364.22/325,601.80
  6. Step 6: Final answer
    x = 471,233.82

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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.