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Finding the Fourth Proportional to 448,122.60, 672,183.90 and 237,652.20

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Solution

The fourth proportional to 448,122.60, 672,183.90 and 237,652.20 is: 356,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,122.60 : 672,183.90 = 237,652.20 : x
  2. Step 2: Convert to fraction form
    448,122.60/672,183.90 = 237,652.20/x
  3. Step 3: Cross multiply
    448,122.60x = 672,183.90 × 237,652.20
  4. Step 4: Simplify right side
    448,122.60x = 159,745,982,639.58
  5. Step 5: Solve for x
    x = 159,745,982,639.58/448,122.60
  6. Step 6: Final answer
    x = 356,478.30

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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.