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Finding the Fourth Proportional to 1,024.29, 1,413.27 and 604.61

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Solution

The fourth proportional to 1,024.29, 1,413.27 and 604.61 is: 834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.29 : 1,413.27 = 604.61 : x
  2. Step 2: Convert to fraction form
    1,024.29/1,413.27 = 604.61/x
  3. Step 3: Cross multiply
    1,024.29x = 1,413.27 × 604.61
  4. Step 4: Simplify right side
    1,024.29x = 854,477.17
  5. Step 5: Solve for x
    x = 854,477.17/1,024.29
  6. Step 6: Final answer
    x = 834.21

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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.