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Finding the Fourth Proportional to 926.62, 1,279.12 and 595.52

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Solution

The fourth proportional to 926.62, 1,279.12 and 595.52 is: 822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.62 : 1,279.12 = 595.52 : x
  2. Step 2: Convert to fraction form
    926.62/1,279.12 = 595.52/x
  3. Step 3: Cross multiply
    926.62x = 1,279.12 × 595.52
  4. Step 4: Simplify right side
    926.62x = 761,741.54
  5. Step 5: Solve for x
    x = 761,741.54/926.62
  6. Step 6: Final answer
    x = 822.06

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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.