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Finding the Fourth Proportional to 294,067.70, 441,101.55 and 153,869.30

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Solution

The fourth proportional to 294,067.70, 441,101.55 and 153,869.30 is: 230,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,067.70 : 441,101.55 = 153,869.30 : x
  2. Step 2: Convert to fraction form
    294,067.70/441,101.55 = 153,869.30/x
  3. Step 3: Cross multiply
    294,067.70x = 441,101.55 × 153,869.30
  4. Step 4: Simplify right side
    294,067.70x = 67,871,986,727.42
  5. Step 5: Solve for x
    x = 67,871,986,727.42/294,067.70
  6. Step 6: Final answer
    x = 230,803.95

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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.