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Finding the Fourth Proportional to 297,965.44, 446,948.20 and 87,605.20

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Solution

The fourth proportional to 297,965.44, 446,948.20 and 87,605.20 is: 131,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,965.44 : 446,948.20 = 87,605.20 : x
  2. Step 2: Convert to fraction form
    297,965.44/446,948.20 = 87,605.20/x
  3. Step 3: Cross multiply
    297,965.44x = 446,948.20 × 87,605.20
  4. Step 4: Simplify right side
    297,965.44x = 39,154,986,450.64
  5. Step 5: Solve for x
    x = 39,154,986,450.64/297,965.44
  6. Step 6: Final answer
    x = 131,407.81

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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.