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Finding the Fourth Proportional to 1,024.06, 1,413.40 and 651.46

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Solution

The fourth proportional to 1,024.06, 1,413.40 and 651.46 is: 899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.06 : 1,413.40 = 651.46 : x
  2. Step 2: Convert to fraction form
    1,024.06/1,413.40 = 651.46/x
  3. Step 3: Cross multiply
    1,024.06x = 1,413.40 × 651.46
  4. Step 4: Simplify right side
    1,024.06x = 920,772.27
  5. Step 5: Solve for x
    x = 920,772.27/1,024.06
  6. Step 6: Final answer
    x = 899.14

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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.