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Finding the Fourth Proportional to 332,722.80, 498,209.40 and 243,493.20

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Solution

The fourth proportional to 332,722.80, 498,209.40 and 243,493.20 is: 364,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,722.80 : 498,209.40 = 243,493.20 : x
  2. Step 2: Convert to fraction form
    332,722.80/498,209.40 = 243,493.20/x
  3. Step 3: Cross multiply
    332,722.80x = 498,209.40 × 243,493.20
  4. Step 4: Simplify right side
    332,722.80x = 121,310,601,076.08
  5. Step 5: Solve for x
    x = 121,310,601,076.08/332,722.80
  6. Step 6: Final answer
    x = 364,599.60

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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.