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Finding the Fourth Proportional to 294,943.52, 442,416.86 and 73,327.52

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Solution

The fourth proportional to 294,943.52, 442,416.86 and 73,327.52 is: 109,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,943.52 : 442,416.86 = 73,327.52 : x
  2. Step 2: Convert to fraction form
    294,943.52/442,416.86 = 73,327.52/x
  3. Step 3: Cross multiply
    294,943.52x = 442,416.86 × 73,327.52
  4. Step 4: Simplify right side
    294,943.52x = 32,441,331,149.99
  5. Step 5: Solve for x
    x = 32,441,331,149.99/294,943.52
  6. Step 6: Final answer
    x = 109,991.67

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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.