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Finding the Fourth Proportional to 1,063.88, 1,595.90 and 294.38

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Solution

The fourth proportional to 1,063.88, 1,595.90 and 294.38 is: 441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.88 : 1,595.90 = 294.38 : x
  2. Step 2: Convert to fraction form
    1,063.88/1,595.90 = 294.38/x
  3. Step 3: Cross multiply
    1,063.88x = 1,595.90 × 294.38
  4. Step 4: Simplify right side
    1,063.88x = 469,793.80
  5. Step 5: Solve for x
    x = 469,793.80/1,063.88
  6. Step 6: Final answer
    x = 441.59

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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.