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Finding the Fourth Proportional to 544,735.25, 817,614.81 and 285,259.10

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Solution

The fourth proportional to 544,735.25, 817,614.81 and 285,259.10 is: 428,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,735.25 : 817,614.81 = 285,259.10 : x
  2. Step 2: Convert to fraction form
    544,735.25/817,614.81 = 285,259.10/x
  3. Step 3: Cross multiply
    544,735.25x = 817,614.81 × 285,259.10
  4. Step 4: Simplify right side
    544,735.25x = 233,232,063,420.98
  5. Step 5: Solve for x
    x = 233,232,063,420.98/544,735.25
  6. Step 6: Final answer
    x = 428,156.73

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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.