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Finding the Fourth Proportional to 1,362.86, 2,044.56 and 497.18

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Solution

The fourth proportional to 1,362.86, 2,044.56 and 497.18 is: 745.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.86 : 2,044.56 = 497.18 : x
  2. Step 2: Convert to fraction form
    1,362.86/2,044.56 = 497.18/x
  3. Step 3: Cross multiply
    1,362.86x = 2,044.56 × 497.18
  4. Step 4: Simplify right side
    1,362.86x = 1,016,514.34
  5. Step 5: Solve for x
    x = 1,016,514.34/1,362.86
  6. Step 6: Final answer
    x = 745.87

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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.