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Finding the Fourth Proportional to 301,387.77, 452,067.10 and 111,885.12

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Solution

The fourth proportional to 301,387.77, 452,067.10 and 111,885.12 is: 167,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,387.77 : 452,067.10 = 111,885.12 : x
  2. Step 2: Convert to fraction form
    301,387.77/452,067.10 = 111,885.12/x
  3. Step 3: Cross multiply
    301,387.77x = 452,067.10 × 111,885.12
  4. Step 4: Simplify right side
    301,387.77x = 50,579,581,451.84
  5. Step 5: Solve for x
    x = 50,579,581,451.84/301,387.77
  6. Step 6: Final answer
    x = 167,822.28

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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.