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Finding the Fourth Proportional to 927.48, 1,279.19 and 595.94

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Solution

The fourth proportional to 927.48, 1,279.19 and 595.94 is: 821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    927.48 : 1,279.19 = 595.94 : x
  2. Step 2: Convert to fraction form
    927.48/1,279.19 = 595.94/x
  3. Step 3: Cross multiply
    927.48x = 1,279.19 × 595.94
  4. Step 4: Simplify right side
    927.48x = 762,317.51
  5. Step 5: Solve for x
    x = 762,317.51/927.48
  6. Step 6: Final answer
    x = 821.92

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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.