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Finding the Fourth Proportional to 294,942.52, 442,415.36 and 73,326.52

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Solution

The fourth proportional to 294,942.52, 442,415.36 and 73,326.52 is: 109,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,942.52 : 442,415.36 = 73,326.52 : x
  2. Step 2: Convert to fraction form
    294,942.52/442,415.36 = 73,326.52/x
  3. Step 3: Cross multiply
    294,942.52x = 442,415.36 × 73,326.52
  4. Step 4: Simplify right side
    294,942.52x = 32,440,778,743.35
  5. Step 5: Solve for x
    x = 32,440,778,743.35/294,942.52
  6. Step 6: Final answer
    x = 109,990.17

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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.