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Finding the Fourth Proportional to 1,595.28, 2,393.04 and 441.12

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Solution

The fourth proportional to 1,595.28, 2,393.04 and 441.12 is: 661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.28 : 2,393.04 = 441.12 : x
  2. Step 2: Convert to fraction form
    1,595.28/2,393.04 = 441.12/x
  3. Step 3: Cross multiply
    1,595.28x = 2,393.04 × 441.12
  4. Step 4: Simplify right side
    1,595.28x = 1,055,617.80
  5. Step 5: Solve for x
    x = 1,055,617.80/1,595.28
  6. Step 6: Final answer
    x = 661.71

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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.