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Finding the Fourth Proportional to 544,773, 817,163.61 and 189,786.45

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Solution

The fourth proportional to 544,773, 817,163.61 and 189,786.45 is: 284,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,773 : 817,163.61 = 189,786.45 : x
  2. Step 2: Convert to fraction form
    544,773/817,163.61 = 189,786.45/x
  3. Step 3: Cross multiply
    544,773x = 817,163.61 × 189,786.45
  4. Step 4: Simplify right side
    544,773x = 155,086,579,662.15
  5. Step 5: Solve for x
    x = 155,086,579,662.15/544,773
  6. Step 6: Final answer
    x = 284,681.11

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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.