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Finding the Fourth Proportional to 332,502.60, 498,753.90 and 199,314.30

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Solution

The fourth proportional to 332,502.60, 498,753.90 and 199,314.30 is: 298,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,502.60 : 498,753.90 = 199,314.30 : x
  2. Step 2: Convert to fraction form
    332,502.60/498,753.90 = 199,314.30/x
  3. Step 3: Cross multiply
    332,502.60x = 498,753.90 × 199,314.30
  4. Step 4: Simplify right side
    332,502.60x = 99,408,784,450.77
  5. Step 5: Solve for x
    x = 99,408,784,450.77/332,502.60
  6. Step 6: Final answer
    x = 298,971.45

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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.