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Finding the Fourth Proportional to 294,540.88, 441,811.32 and 72,924.88

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Solution

The fourth proportional to 294,540.88, 441,811.32 and 72,924.88 is: 109,387.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,540.88 : 441,811.32 = 72,924.88 : x
  2. Step 2: Convert to fraction form
    294,540.88/441,811.32 = 72,924.88/x
  3. Step 3: Cross multiply
    294,540.88x = 441,811.32 × 72,924.88
  4. Step 4: Simplify right side
    294,540.88x = 32,219,035,284.59
  5. Step 5: Solve for x
    x = 32,219,035,284.59/294,540.88
  6. Step 6: Final answer
    x = 109,387.31

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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.