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Finding the Fourth Proportional to 400,550.45, 600,610.16 and 160,543.91

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Solution

The fourth proportional to 400,550.45, 600,610.16 and 160,543.91 is: 240,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,550.45 : 600,610.16 = 160,543.91 : x
  2. Step 2: Convert to fraction form
    400,550.45/600,610.16 = 160,543.91/x
  3. Step 3: Cross multiply
    400,550.45x = 600,610.16 × 160,543.91
  4. Step 4: Simplify right side
    400,550.45x = 96,424,299,666.36
  5. Step 5: Solve for x
    x = 96,424,299,666.36/400,550.45
  6. Step 6: Final answer
    x = 240,729.48

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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.