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Finding the Fourth Proportional to 400,767.57, 601,151.35 and 101,249.01

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Solution

The fourth proportional to 400,767.57, 601,151.35 and 101,249.01 is: 151,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,767.57 : 601,151.35 = 101,249.01 : x
  2. Step 2: Convert to fraction form
    400,767.57/601,151.35 = 101,249.01/x
  3. Step 3: Cross multiply
    400,767.57x = 601,151.35 × 101,249.01
  4. Step 4: Simplify right side
    400,767.57x = 60,865,979,047.66
  5. Step 5: Solve for x
    x = 60,865,979,047.66/400,767.57
  6. Step 6: Final answer
    x = 151,873.51

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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.