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Finding the Fourth Proportional to 1,044.38, 1,568.24 and 914.98

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Solution

The fourth proportional to 1,044.38, 1,568.24 and 914.98 is: 1,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.38 : 1,568.24 = 914.98 : x
  2. Step 2: Convert to fraction form
    1,044.38/1,568.24 = 914.98/x
  3. Step 3: Cross multiply
    1,044.38x = 1,568.24 × 914.98
  4. Step 4: Simplify right side
    1,044.38x = 1,434,908.24
  5. Step 5: Solve for x
    x = 1,434,908.24/1,044.38
  6. Step 6: Final answer
    x = 1,373.93

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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.