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Finding the Fourth Proportional to 404,717.52, 558,481.50 and 223,400.34

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Solution

The fourth proportional to 404,717.52, 558,481.50 and 223,400.34 is: 308,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,717.52 : 558,481.50 = 223,400.34 : x
  2. Step 2: Convert to fraction form
    404,717.52/558,481.50 = 223,400.34/x
  3. Step 3: Cross multiply
    404,717.52x = 558,481.50 × 223,400.34
  4. Step 4: Simplify right side
    404,717.52x = 124,764,956,983.71
  5. Step 5: Solve for x
    x = 124,764,956,983.71/404,717.52
  6. Step 6: Final answer
    x = 308,276.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.