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Finding the Fourth Proportional to 544,894.37, 817,346.12 and 189,907.82

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Solution

The fourth proportional to 544,894.37, 817,346.12 and 189,907.82 is: 284,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,894.37 : 817,346.12 = 189,907.82 : x
  2. Step 2: Convert to fraction form
    544,894.37/817,346.12 = 189,907.82/x
  3. Step 3: Cross multiply
    544,894.37x = 817,346.12 × 189,907.82
  4. Step 4: Simplify right side
    544,894.37x = 155,220,419,834.66
  5. Step 5: Solve for x
    x = 155,220,419,834.66/544,894.37
  6. Step 6: Final answer
    x = 284,863.32

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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.