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Finding the Fourth Proportional to 400,610.82, 600,897.96 and 134,350.86

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Solution

The fourth proportional to 400,610.82, 600,897.96 and 134,350.86 is: 201,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,610.82 : 600,897.96 = 134,350.86 : x
  2. Step 2: Convert to fraction form
    400,610.82/600,897.96 = 134,350.86/x
  3. Step 3: Cross multiply
    400,610.82x = 600,897.96 × 134,350.86
  4. Step 4: Simplify right side
    400,610.82x = 80,731,157,698.25
  5. Step 5: Solve for x
    x = 80,731,157,698.25/400,610.82
  6. Step 6: Final answer
    x = 201,520.16

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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.