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Finding the Fourth Proportional to 1,168.35, 1,752.53 and 474.86

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Solution

The fourth proportional to 1,168.35, 1,752.53 and 474.86 is: 712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.35 : 1,752.53 = 474.86 : x
  2. Step 2: Convert to fraction form
    1,168.35/1,752.53 = 474.86/x
  3. Step 3: Cross multiply
    1,168.35x = 1,752.53 × 474.86
  4. Step 4: Simplify right side
    1,168.35x = 832,195.26
  5. Step 5: Solve for x
    x = 832,195.26/1,168.35
  6. Step 6: Final answer
    x = 712.28

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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.