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Finding the Fourth Proportional to 1,168.48, 1,753.04 and 346.73

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Solution

The fourth proportional to 1,168.48, 1,753.04 and 346.73 is: 520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.48 : 1,753.04 = 346.73 : x
  2. Step 2: Convert to fraction form
    1,168.48/1,753.04 = 346.73/x
  3. Step 3: Cross multiply
    1,168.48x = 1,753.04 × 346.73
  4. Step 4: Simplify right side
    1,168.48x = 607,831.56
  5. Step 5: Solve for x
    x = 607,831.56/1,168.48
  6. Step 6: Final answer
    x = 520.19

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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.