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Finding the Fourth Proportional to 394,293.92, 544,112.58 and 249,177.24

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Solution

The fourth proportional to 394,293.92, 544,112.58 and 249,177.24 is: 343,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,293.92 : 544,112.58 = 249,177.24 : x
  2. Step 2: Convert to fraction form
    394,293.92/544,112.58 = 249,177.24/x
  3. Step 3: Cross multiply
    394,293.92x = 544,112.58 × 249,177.24
  4. Step 4: Simplify right side
    394,293.92x = 135,580,470,933.68
  5. Step 5: Solve for x
    x = 135,580,470,933.68/394,293.92
  6. Step 6: Final answer
    x = 343,856.36

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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.