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Finding the Fourth Proportional to 544,895.87, 817,348.37 and 189,909.32

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Solution

The fourth proportional to 544,895.87, 817,348.37 and 189,909.32 is: 284,865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,895.87 : 817,348.37 = 189,909.32 : x
  2. Step 2: Convert to fraction form
    544,895.87/817,348.37 = 189,909.32/x
  3. Step 3: Cross multiply
    544,895.87x = 817,348.37 × 189,909.32
  4. Step 4: Simplify right side
    544,895.87x = 155,222,073,149.81
  5. Step 5: Solve for x
    x = 155,222,073,149.81/544,895.87
  6. Step 6: Final answer
    x = 284,865.57

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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.