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Finding the Fourth Proportional to 1,077.48, 1,616.93 and 590.87

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Solution

The fourth proportional to 1,077.48, 1,616.93 and 590.87 is: 886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077.48 : 1,616.93 = 590.87 : x
  2. Step 2: Convert to fraction form
    1,077.48/1,616.93 = 590.87/x
  3. Step 3: Cross multiply
    1,077.48x = 1,616.93 × 590.87
  4. Step 4: Simplify right side
    1,077.48x = 955,398.73
  5. Step 5: Solve for x
    x = 955,398.73/1,077.48
  6. Step 6: Final answer
    x = 886.70

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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.