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Finding the Fourth Proportional to 1,044.56, 1,566.82 and 351.28

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Solution

The fourth proportional to 1,044.56, 1,566.82 and 351.28 is: 526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.56 : 1,566.82 = 351.28 : x
  2. Step 2: Convert to fraction form
    1,044.56/1,566.82 = 351.28/x
  3. Step 3: Cross multiply
    1,044.56x = 1,566.82 × 351.28
  4. Step 4: Simplify right side
    1,044.56x = 550,392.53
  5. Step 5: Solve for x
    x = 550,392.53/1,044.56
  6. Step 6: Final answer
    x = 526.91

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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.