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Finding the Fourth Proportional to 544,246.74, 815,594.81 and 400,965.21

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Solution

The fourth proportional to 544,246.74, 815,594.81 and 400,965.21 is: 600,876.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,246.74 : 815,594.81 = 400,965.21 : x
  2. Step 2: Convert to fraction form
    544,246.74/815,594.81 = 400,965.21/x
  3. Step 3: Cross multiply
    544,246.74x = 815,594.81 × 400,965.21
  4. Step 4: Simplify right side
    544,246.74x = 327,025,142,261.73
  5. Step 5: Solve for x
    x = 327,025,142,261.73/544,246.74
  6. Step 6: Final answer
    x = 600,876.62

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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.