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Finding the Fourth Proportional to 330,819.20, 496,228.80 and 241,654.40

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Solution

The fourth proportional to 330,819.20, 496,228.80 and 241,654.40 is: 362,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,819.20 : 496,228.80 = 241,654.40 : x
  2. Step 2: Convert to fraction form
    330,819.20/496,228.80 = 241,654.40/x
  3. Step 3: Cross multiply
    330,819.20x = 496,228.80 × 241,654.40
  4. Step 4: Simplify right side
    330,819.20x = 119,915,872,926.72
  5. Step 5: Solve for x
    x = 119,915,872,926.72/330,819.20
  6. Step 6: Final answer
    x = 362,481.60

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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.