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Finding the Fourth Proportional to 714,832.44, 986,647.26 and 442,737.24

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Solution

The fourth proportional to 714,832.44, 986,647.26 and 442,737.24 is: 611,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,832.44 : 986,647.26 = 442,737.24 : x
  2. Step 2: Convert to fraction form
    714,832.44/986,647.26 = 442,737.24/x
  3. Step 3: Cross multiply
    714,832.44x = 986,647.26 × 442,737.24
  4. Step 4: Simplify right side
    714,832.44x = 436,825,484,745.96
  5. Step 5: Solve for x
    x = 436,825,484,745.96/714,832.44
  6. Step 6: Final answer
    x = 611,087.94

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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.