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Finding the Fourth Proportional to 402,983.60, 603,600.60 and 332,999.60

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Solution

The fourth proportional to 402,983.60, 603,600.60 and 332,999.60 is: 498,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,983.60 : 603,600.60 = 332,999.60 : x
  2. Step 2: Convert to fraction form
    402,983.60/603,600.60 = 332,999.60/x
  3. Step 3: Cross multiply
    402,983.60x = 603,600.60 × 332,999.60
  4. Step 4: Simplify right side
    402,983.60x = 200,998,758,359.76
  5. Step 5: Solve for x
    x = 200,998,758,359.76/402,983.60
  6. Step 6: Final answer
    x = 498,776.52

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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.