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Finding the Fourth Proportional to 315,858.06, 474,115.23 and 182,997.90

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Solution

The fourth proportional to 315,858.06, 474,115.23 and 182,997.90 is: 274,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,858.06 : 474,115.23 = 182,997.90 : x
  2. Step 2: Convert to fraction form
    315,858.06/474,115.23 = 182,997.90/x
  3. Step 3: Cross multiply
    315,858.06x = 474,115.23 × 182,997.90
  4. Step 4: Simplify right side
    315,858.06x = 86,762,091,448.02
  5. Step 5: Solve for x
    x = 86,762,091,448.02/315,858.06
  6. Step 6: Final answer
    x = 274,686.96

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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.