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Finding the Fourth Proportional to 294,894.52, 442,341.80 and 73,278.52

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Solution

The fourth proportional to 294,894.52, 442,341.80 and 73,278.52 is: 109,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,894.52 : 442,341.80 = 73,278.52 : x
  2. Step 2: Convert to fraction form
    294,894.52/442,341.80 = 73,278.52/x
  3. Step 3: Cross multiply
    294,894.52x = 442,341.80 × 73,278.52
  4. Step 4: Simplify right side
    294,894.52x = 32,414,152,438.14
  5. Step 5: Solve for x
    x = 32,414,152,438.14/294,894.52
  6. Step 6: Final answer
    x = 109,917.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.