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Finding the Fourth Proportional to 294,888.56, 442,333.16 and 73,272.56

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Solution

The fourth proportional to 294,888.56, 442,333.16 and 73,272.56 is: 109,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,888.56 : 442,333.16 = 73,272.56 : x
  2. Step 2: Convert to fraction form
    294,888.56/442,333.16 = 73,272.56/x
  3. Step 3: Cross multiply
    294,888.56x = 442,333.16 × 73,272.56
  4. Step 4: Simplify right side
    294,888.56x = 32,410,883,006.09
  5. Step 5: Solve for x
    x = 32,410,883,006.09/294,888.56
  6. Step 6: Final answer
    x = 109,908.92

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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.