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Finding the Fourth Proportional to 496.54, 740.66 and 462.52

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Solution

The fourth proportional to 496.54, 740.66 and 462.52 is: 689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.54 : 740.66 = 462.52 : x
  2. Step 2: Convert to fraction form
    496.54/740.66 = 462.52/x
  3. Step 3: Cross multiply
    496.54x = 740.66 × 462.52
  4. Step 4: Simplify right side
    496.54x = 342,570.06
  5. Step 5: Solve for x
    x = 342,570.06/496.54
  6. Step 6: Final answer
    x = 689.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.