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Finding the Fourth Proportional to 400,536.27, 600,389.04 and 250,431.93

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Solution

The fourth proportional to 400,536.27, 600,389.04 and 250,431.93 is: 375,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,536.27 : 600,389.04 = 250,431.93 : x
  2. Step 2: Convert to fraction form
    400,536.27/600,389.04 = 250,431.93/x
  3. Step 3: Cross multiply
    400,536.27x = 600,389.04 × 250,431.93
  4. Step 4: Simplify right side
    400,536.27x = 150,356,586,038.05
  5. Step 5: Solve for x
    x = 150,356,586,038.05/400,536.27
  6. Step 6: Final answer
    x = 375,388.19

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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.