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Finding the Fourth Proportional to 400,161.11, 600,241.67 and 163,503.56

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Solution

The fourth proportional to 400,161.11, 600,241.67 and 163,503.56 is: 245,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,161.11 : 600,241.67 = 163,503.56 : x
  2. Step 2: Convert to fraction form
    400,161.11/600,241.67 = 163,503.56/x
  3. Step 3: Cross multiply
    400,161.11x = 600,241.67 × 163,503.56
  4. Step 4: Simplify right side
    400,161.11x = 98,141,650,741.72
  5. Step 5: Solve for x
    x = 98,141,650,741.72/400,161.11
  6. Step 6: Final answer
    x = 245,255.34

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1.5x scale

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.