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Finding the Fourth Proportional to 294,987.28, 442,480.08 and 73,371.28

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Solution

The fourth proportional to 294,987.28, 442,480.08 and 73,371.28 is: 110,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,987.28 : 442,480.08 = 73,371.28 : x
  2. Step 2: Convert to fraction form
    294,987.28/442,480.08 = 73,371.28/x
  3. Step 3: Cross multiply
    294,987.28x = 442,480.08 × 73,371.28
  4. Step 4: Simplify right side
    294,987.28x = 32,465,329,844.10
  5. Step 5: Solve for x
    x = 32,465,329,844.10/294,987.28
  6. Step 6: Final answer
    x = 110,056.71

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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.