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Finding the Fourth Proportional to 1,015.17, 1,400.97 and 595.83

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Solution

The fourth proportional to 1,015.17, 1,400.97 and 595.83 is: 822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.17 : 1,400.97 = 595.83 : x
  2. Step 2: Convert to fraction form
    1,015.17/1,400.97 = 595.83/x
  3. Step 3: Cross multiply
    1,015.17x = 1,400.97 × 595.83
  4. Step 4: Simplify right side
    1,015.17x = 834,739.96
  5. Step 5: Solve for x
    x = 834,739.96/1,015.17
  6. Step 6: Final answer
    x = 822.27

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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.