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Finding the Fourth Proportional to 5,890,297.80, 8,835,446.70 and 3,328,883.40

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Solution

The fourth proportional to 5,890,297.80, 8,835,446.70 and 3,328,883.40 is: 4,993,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890,297.80 : 8,835,446.70 = 3,328,883.40 : x
  2. Step 2: Convert to fraction form
    5,890,297.80/8,835,446.70 = 3,328,883.40/x
  3. Step 3: Cross multiply
    5,890,297.80x = 8,835,446.70 × 3,328,883.40
  4. Step 4: Simplify right side
    5,890,297.80x = 29,412,171,851,214.78
  5. Step 5: Solve for x
    x = 29,412,171,851,214.78/5,890,297.80
  6. Step 6: Final answer
    x = 4,993,325.10

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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.