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Finding the Fourth Proportional to 400,536.42, 600,803.11 and 163,879.02

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Solution

The fourth proportional to 400,536.42, 600,803.11 and 163,879.02 is: 245,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,536.42 : 600,803.11 = 163,879.02 : x
  2. Step 2: Convert to fraction form
    400,536.42/600,803.11 = 163,879.02/x
  3. Step 3: Cross multiply
    400,536.42x = 600,803.11 × 163,879.02
  4. Step 4: Simplify right side
    400,536.42x = 98,459,024,060.36
  5. Step 5: Solve for x
    x = 98,459,024,060.36/400,536.42
  6. Step 6: Final answer
    x = 245,817.91

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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.