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Finding the Fourth Proportional to 366,798.24, 550,199.18 and 166,978.87

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Solution

The fourth proportional to 366,798.24, 550,199.18 and 166,978.87 is: 250,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,798.24 : 550,199.18 = 166,978.87 : x
  2. Step 2: Convert to fraction form
    366,798.24/550,199.18 = 166,978.87/x
  3. Step 3: Cross multiply
    366,798.24x = 550,199.18 × 166,978.87
  4. Step 4: Simplify right side
    366,798.24x = 91,871,636,393.28
  5. Step 5: Solve for x
    x = 91,871,636,393.28/366,798.24
  6. Step 6: Final answer
    x = 250,469.13

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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.