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Finding the Fourth Proportional to 1,097.70, 1,514.66 and 704.76

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Solution

The fourth proportional to 1,097.70, 1,514.66 and 704.76 is: 972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.70 : 1,514.66 = 704.76 : x
  2. Step 2: Convert to fraction form
    1,097.70/1,514.66 = 704.76/x
  3. Step 3: Cross multiply
    1,097.70x = 1,514.66 × 704.76
  4. Step 4: Simplify right side
    1,097.70x = 1,067,471.78
  5. Step 5: Solve for x
    x = 1,067,471.78/1,097.70
  6. Step 6: Final answer
    x = 972.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.