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Finding the Fourth Proportional to 675.60, 932.67 and 413.52

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Solution

The fourth proportional to 675.60, 932.67 and 413.52 is: 570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.60 : 932.67 = 413.52 : x
  2. Step 2: Convert to fraction form
    675.60/932.67 = 413.52/x
  3. Step 3: Cross multiply
    675.60x = 932.67 × 413.52
  4. Step 4: Simplify right side
    675.60x = 385,677.70
  5. Step 5: Solve for x
    x = 385,677.70/675.60
  6. Step 6: Final answer
    x = 570.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.