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Finding the Fourth Proportional to 332,191.60, 498,287.40 and 306,530.80

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Solution

The fourth proportional to 332,191.60, 498,287.40 and 306,530.80 is: 459,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,191.60 : 498,287.40 = 306,530.80 : x
  2. Step 2: Convert to fraction form
    332,191.60/498,287.40 = 306,530.80/x
  3. Step 3: Cross multiply
    332,191.60x = 498,287.40 × 306,530.80
  4. Step 4: Simplify right side
    332,191.60x = 152,740,435,351.92
  5. Step 5: Solve for x
    x = 152,740,435,351.92/332,191.60
  6. Step 6: Final answer
    x = 459,796.20

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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.