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Finding the Fourth Proportional to 400,356.03, 600,540.99 and 147,506.37

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Solution

The fourth proportional to 400,356.03, 600,540.99 and 147,506.37 is: 221,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,356.03 : 600,540.99 = 147,506.37 : x
  2. Step 2: Convert to fraction form
    400,356.03/600,540.99 = 147,506.37/x
  3. Step 3: Cross multiply
    400,356.03x = 600,540.99 × 147,506.37
  4. Step 4: Simplify right side
    400,356.03x = 88,583,618,665.93
  5. Step 5: Solve for x
    x = 88,583,618,665.93/400,356.03
  6. Step 6: Final answer
    x = 221,262.11

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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.