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Finding the Fourth Proportional to 400,796.37, 601,100.19 and 187,710.75

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Solution

The fourth proportional to 400,796.37, 601,100.19 and 187,710.75 is: 281,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,796.37 : 601,100.19 = 187,710.75 : x
  2. Step 2: Convert to fraction form
    400,796.37/601,100.19 = 187,710.75/x
  3. Step 3: Cross multiply
    400,796.37x = 601,100.19 × 187,710.75
  4. Step 4: Simplify right side
    400,796.37x = 112,832,967,490.04
  5. Step 5: Solve for x
    x = 112,832,967,490.04/400,796.37
  6. Step 6: Final answer
    x = 281,521.93

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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.