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Finding the Fourth Proportional to 927.08, 1,279.55 and 595.93

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Solution

The fourth proportional to 927.08, 1,279.55 and 595.93 is: 822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    927.08 : 1,279.55 = 595.93 : x
  2. Step 2: Convert to fraction form
    927.08/1,279.55 = 595.93/x
  3. Step 3: Cross multiply
    927.08x = 1,279.55 × 595.93
  4. Step 4: Simplify right side
    927.08x = 762,515.83
  5. Step 5: Solve for x
    x = 762,515.83/927.08
  6. Step 6: Final answer
    x = 822.49

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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.