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Finding the Fourth Proportional to 266,676.47, 400,015.08 and 108,904.92

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Solution

The fourth proportional to 266,676.47, 400,015.08 and 108,904.92 is: 163,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,676.47 : 400,015.08 = 108,904.92 : x
  2. Step 2: Convert to fraction form
    266,676.47/400,015.08 = 108,904.92/x
  3. Step 3: Cross multiply
    266,676.47x = 400,015.08 × 108,904.92
  4. Step 4: Simplify right side
    266,676.47x = 43,563,610,286.19
  5. Step 5: Solve for x
    x = 43,563,610,286.19/266,676.47
  6. Step 6: Final answer
    x = 163,357.53

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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.