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Finding the Fourth Proportional to 1,134.49, 1,701.77 and 404.14

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Solution

The fourth proportional to 1,134.49, 1,701.77 and 404.14 is: 606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.49 : 1,701.77 = 404.14 : x
  2. Step 2: Convert to fraction form
    1,134.49/1,701.77 = 404.14/x
  3. Step 3: Cross multiply
    1,134.49x = 1,701.77 × 404.14
  4. Step 4: Simplify right side
    1,134.49x = 687,753.33
  5. Step 5: Solve for x
    x = 687,753.33/1,134.49
  6. Step 6: Final answer
    x = 606.22

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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.