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Finding the Fourth Proportional to 483,609.60, 725,155.20 and 202,809.60

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Solution

The fourth proportional to 483,609.60, 725,155.20 and 202,809.60 is: 304,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,609.60 : 725,155.20 = 202,809.60 : x
  2. Step 2: Convert to fraction form
    483,609.60/725,155.20 = 202,809.60/x
  3. Step 3: Cross multiply
    483,609.60x = 725,155.20 × 202,809.60
  4. Step 4: Simplify right side
    483,609.60x = 147,068,436,049.92
  5. Step 5: Solve for x
    x = 147,068,436,049.92/483,609.60
  6. Step 6: Final answer
    x = 304,105.70

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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.