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Finding the Fourth Proportional to 279,206.33, 417,752.67 and 165,415.24

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Solution

The fourth proportional to 279,206.33, 417,752.67 and 165,415.24 is: 247,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,206.33 : 417,752.67 = 165,415.24 : x
  2. Step 2: Convert to fraction form
    279,206.33/417,752.67 = 165,415.24/x
  3. Step 3: Cross multiply
    279,206.33x = 417,752.67 × 165,415.24
  4. Step 4: Simplify right side
    279,206.33x = 69,102,658,168.69
  5. Step 5: Solve for x
    x = 69,102,658,168.69/279,206.33
  6. Step 6: Final answer
    x = 247,496.75

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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.