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Finding the Fourth Proportional to 325,152.60, 487,728.90 and 88,494.90

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Solution

The fourth proportional to 325,152.60, 487,728.90 and 88,494.90 is: 132,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,152.60 : 487,728.90 = 88,494.90 : x
  2. Step 2: Convert to fraction form
    325,152.60/487,728.90 = 88,494.90/x
  3. Step 3: Cross multiply
    325,152.60x = 487,728.90 × 88,494.90
  4. Step 4: Simplify right side
    325,152.60x = 43,161,520,232.61
  5. Step 5: Solve for x
    x = 43,161,520,232.61/325,152.60
  6. Step 6: Final answer
    x = 132,742.35

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Similar ratio
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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.