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Finding the Fourth Proportional to 696.31, 1,044.96 and 560.99

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Solution

The fourth proportional to 696.31, 1,044.96 and 560.99 is: 841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.31 : 1,044.96 = 560.99 : x
  2. Step 2: Convert to fraction form
    696.31/1,044.96 = 560.99/x
  3. Step 3: Cross multiply
    696.31x = 1,044.96 × 560.99
  4. Step 4: Simplify right side
    696.31x = 586,206.89
  5. Step 5: Solve for x
    x = 586,206.89/696.31
  6. Step 6: Final answer
    x = 841.88

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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.