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Finding the Fourth Proportional to 1,077.44, 1,617.12 and 590.96

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Solution

The fourth proportional to 1,077.44, 1,617.12 and 590.96 is: 886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077.44 : 1,617.12 = 590.96 : x
  2. Step 2: Convert to fraction form
    1,077.44/1,617.12 = 590.96/x
  3. Step 3: Cross multiply
    1,077.44x = 1,617.12 × 590.96
  4. Step 4: Simplify right side
    1,077.44x = 955,653.24
  5. Step 5: Solve for x
    x = 955,653.24/1,077.44
  6. Step 6: Final answer
    x = 886.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.