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Finding the Fourth Proportional to 400,562.89, 600,429.04 and 250,458.61

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Solution

The fourth proportional to 400,562.89, 600,429.04 and 250,458.61 is: 375,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,562.89 : 600,429.04 = 250,458.61 : x
  2. Step 2: Convert to fraction form
    400,562.89/600,429.04 = 250,458.61/x
  3. Step 3: Cross multiply
    400,562.89x = 600,429.04 × 250,458.61
  4. Step 4: Simplify right side
    400,562.89x = 150,382,622,762.03
  5. Step 5: Solve for x
    x = 150,382,622,762.03/400,562.89
  6. Step 6: Final answer
    x = 375,428.24

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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.