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Finding the Fourth Proportional to 2,298.99, 3,447.50 and 738.48

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Solution

The fourth proportional to 2,298.99, 3,447.50 and 738.48 is: 1,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.99 : 3,447.50 = 738.48 : x
  2. Step 2: Convert to fraction form
    2,298.99/3,447.50 = 738.48/x
  3. Step 3: Cross multiply
    2,298.99x = 3,447.50 × 738.48
  4. Step 4: Simplify right side
    2,298.99x = 2,545,906.11
  5. Step 5: Solve for x
    x = 2,545,906.11/2,298.99
  6. Step 6: Final answer
    x = 1,107.40

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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.