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Finding the Fourth Proportional to 744.63, 1,117.10 and 224.66

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Solution

The fourth proportional to 744.63, 1,117.10 and 224.66 is: 337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.63 : 1,117.10 = 224.66 : x
  2. Step 2: Convert to fraction form
    744.63/1,117.10 = 224.66/x
  3. Step 3: Cross multiply
    744.63x = 1,117.10 × 224.66
  4. Step 4: Simplify right side
    744.63x = 250,967.69
  5. Step 5: Solve for x
    x = 250,967.69/744.63
  6. Step 6: Final answer
    x = 337.04

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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.