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Finding the Fourth Proportional to 675.46, 932.07 and 413.74

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Solution

The fourth proportional to 675.46, 932.07 and 413.74 is: 570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.46 : 932.07 = 413.74 : x
  2. Step 2: Convert to fraction form
    675.46/932.07 = 413.74/x
  3. Step 3: Cross multiply
    675.46x = 932.07 × 413.74
  4. Step 4: Simplify right side
    675.46x = 385,634.64
  5. Step 5: Solve for x
    x = 385,634.64/675.46
  6. Step 6: Final answer
    x = 570.92

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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.