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Finding the Fourth Proportional to 442,452.48, 663,900.24 and 202,565.92

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Solution

The fourth proportional to 442,452.48, 663,900.24 and 202,565.92 is: 303,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,452.48 : 663,900.24 = 202,565.92 : x
  2. Step 2: Convert to fraction form
    442,452.48/663,900.24 = 202,565.92/x
  3. Step 3: Cross multiply
    442,452.48x = 663,900.24 × 202,565.92
  4. Step 4: Simplify right side
    442,452.48x = 134,483,562,903.82
  5. Step 5: Solve for x
    x = 134,483,562,903.82/442,452.48
  6. Step 6: Final answer
    x = 303,950.30

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Double scale
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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.