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Finding the Fourth Proportional to 266,676.38, 400,014.96 and 108,904.84

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Solution

The fourth proportional to 266,676.38, 400,014.96 and 108,904.84 is: 163,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,676.38 : 400,014.96 = 108,904.84 : x
  2. Step 2: Convert to fraction form
    266,676.38/400,014.96 = 108,904.84/x
  3. Step 3: Cross multiply
    266,676.38x = 400,014.96 × 108,904.84
  4. Step 4: Simplify right side
    266,676.38x = 43,563,564,216.37
  5. Step 5: Solve for x
    x = 43,563,564,216.37/266,676.38
  6. Step 6: Final answer
    x = 163,357.41

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1.5x scale

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.