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Finding the Fourth Proportional to 446,502.60, 669,753.90 and 296,944.20

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Solution

The fourth proportional to 446,502.60, 669,753.90 and 296,944.20 is: 445,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,502.60 : 669,753.90 = 296,944.20 : x
  2. Step 2: Convert to fraction form
    446,502.60/669,753.90 = 296,944.20/x
  3. Step 3: Cross multiply
    446,502.60x = 669,753.90 × 296,944.20
  4. Step 4: Simplify right side
    446,502.60x = 198,879,536,032.38
  5. Step 5: Solve for x
    x = 198,879,536,032.38/446,502.60
  6. Step 6: Final answer
    x = 445,416.30

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Similar ratio
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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.