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Finding the Fourth Proportional to 532.34, 794.79 and 499.53

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Solution

The fourth proportional to 532.34, 794.79 and 499.53 is: 745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.34 : 794.79 = 499.53 : x
  2. Step 2: Convert to fraction form
    532.34/794.79 = 499.53/x
  3. Step 3: Cross multiply
    532.34x = 794.79 × 499.53
  4. Step 4: Simplify right side
    532.34x = 397,021.45
  5. Step 5: Solve for x
    x = 397,021.45/532.34
  6. Step 6: Final answer
    x = 745.81

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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.