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Finding the Fourth Proportional to 330,817.60, 496,372.20 and 153,233.20

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Solution

The fourth proportional to 330,817.60, 496,372.20 and 153,233.20 is: 229,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,817.60 : 496,372.20 = 153,233.20 : x
  2. Step 2: Convert to fraction form
    330,817.60/496,372.20 = 153,233.20/x
  3. Step 3: Cross multiply
    330,817.60x = 496,372.20 × 153,233.20
  4. Step 4: Simplify right side
    330,817.60x = 76,060,700,597.04
  5. Step 5: Solve for x
    x = 76,060,700,597.04/330,817.60
  6. Step 6: Final answer
    x = 229,917.33

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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.