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Finding the Fourth Proportional to 704.24, 1,055.22 and 498.44

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Solution

The fourth proportional to 704.24, 1,055.22 and 498.44 is: 746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.24 : 1,055.22 = 498.44 : x
  2. Step 2: Convert to fraction form
    704.24/1,055.22 = 498.44/x
  3. Step 3: Cross multiply
    704.24x = 1,055.22 × 498.44
  4. Step 4: Simplify right side
    704.24x = 525,963.86
  5. Step 5: Solve for x
    x = 525,963.86/704.24
  6. Step 6: Final answer
    x = 746.85

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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.