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Finding the Fourth Proportional to 357.69, 532.92 and 352.68

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Solution

The fourth proportional to 357.69, 532.92 and 352.68 is: 525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.69 : 532.92 = 352.68 : x
  2. Step 2: Convert to fraction form
    357.69/532.92 = 352.68/x
  3. Step 3: Cross multiply
    357.69x = 532.92 × 352.68
  4. Step 4: Simplify right side
    357.69x = 187,950.23
  5. Step 5: Solve for x
    x = 187,950.23/357.69
  6. Step 6: Final answer
    x = 525.46

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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.