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Finding the Fourth Proportional to 324,099.60, 486,149.40 and 304,400.40

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Solution

The fourth proportional to 324,099.60, 486,149.40 and 304,400.40 is: 456,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,099.60 : 486,149.40 = 304,400.40 : x
  2. Step 2: Convert to fraction form
    324,099.60/486,149.40 = 304,400.40/x
  3. Step 3: Cross multiply
    324,099.60x = 486,149.40 × 304,400.40
  4. Step 4: Simplify right side
    324,099.60x = 147,984,071,819.76
  5. Step 5: Solve for x
    x = 147,984,071,819.76/324,099.60
  6. Step 6: Final answer
    x = 456,600.60

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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.