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Finding the Fourth Proportional to 1,062.24, 1,594.08 and 413.04

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Solution

The fourth proportional to 1,062.24, 1,594.08 and 413.04 is: 619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.24 : 1,594.08 = 413.04 : x
  2. Step 2: Convert to fraction form
    1,062.24/1,594.08 = 413.04/x
  3. Step 3: Cross multiply
    1,062.24x = 1,594.08 × 413.04
  4. Step 4: Simplify right side
    1,062.24x = 658,418.80
  5. Step 5: Solve for x
    x = 658,418.80/1,062.24
  6. Step 6: Final answer
    x = 619.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.