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Finding the Fourth Proportional to 400,644.50, 600,551.35 and 250,540.16

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Solution

The fourth proportional to 400,644.50, 600,551.35 and 250,540.16 is: 375,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,644.50 : 600,551.35 = 250,540.16 : x
  2. Step 2: Convert to fraction form
    400,644.50/600,551.35 = 250,540.16/x
  3. Step 3: Cross multiply
    400,644.50x = 600,551.35 × 250,540.16
  4. Step 4: Simplify right side
    400,644.50x = 150,462,227,688.11
  5. Step 5: Solve for x
    x = 150,462,227,688.11/400,644.50
  6. Step 6: Final answer
    x = 375,550.47

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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.