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Finding the Fourth Proportional to 400,340.37, 600,747.33 and 147,796.55

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Solution

The fourth proportional to 400,340.37, 600,747.33 and 147,796.55 is: 221,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,340.37 : 600,747.33 = 147,796.55 : x
  2. Step 2: Convert to fraction form
    400,340.37/600,747.33 = 147,796.55/x
  3. Step 3: Cross multiply
    400,340.37x = 600,747.33 × 147,796.55
  4. Step 4: Simplify right side
    400,340.37x = 88,788,382,599.01
  5. Step 5: Solve for x
    x = 88,788,382,599.01/400,340.37
  6. Step 6: Final answer
    x = 221,782.23

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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.