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Finding the Fourth Proportional to 286,327.52, 395,166.83 and 165,469.80

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Solution

The fourth proportional to 286,327.52, 395,166.83 and 165,469.80 is: 228,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,327.52 : 395,166.83 = 165,469.80 : x
  2. Step 2: Convert to fraction form
    286,327.52/395,166.83 = 165,469.80/x
  3. Step 3: Cross multiply
    286,327.52x = 395,166.83 × 165,469.80
  4. Step 4: Simplify right side
    286,327.52x = 65,388,174,764.57
  5. Step 5: Solve for x
    x = 65,388,174,764.57/286,327.52
  6. Step 6: Final answer
    x = 228,368.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.