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Finding the Fourth Proportional to 400,558.96, 600,622.92 and 160,552.40

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Solution

The fourth proportional to 400,558.96, 600,622.92 and 160,552.40 is: 240,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,558.96 : 600,622.92 = 160,552.40 : x
  2. Step 2: Convert to fraction form
    400,558.96/600,622.92 = 160,552.40/x
  3. Step 3: Cross multiply
    400,558.96x = 600,622.92 × 160,552.40
  4. Step 4: Simplify right side
    400,558.96x = 96,431,451,301.01
  5. Step 5: Solve for x
    x = 96,431,451,301.01/400,558.96
  6. Step 6: Final answer
    x = 240,742.22

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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.