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Finding the Fourth Proportional to 756.27, 1,044.25 and 590.96

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Solution

The fourth proportional to 756.27, 1,044.25 and 590.96 is: 815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.27 : 1,044.25 = 590.96 : x
  2. Step 2: Convert to fraction form
    756.27/1,044.25 = 590.96/x
  3. Step 3: Cross multiply
    756.27x = 1,044.25 × 590.96
  4. Step 4: Simplify right side
    756.27x = 617,111.11
  5. Step 5: Solve for x
    x = 617,111.11/756.27
  6. Step 6: Final answer
    x = 815.99

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Why These Related Problems?

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