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Finding the Fourth Proportional to 544,958.94, 817,443 and 189,972.30

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Solution

The fourth proportional to 544,958.94, 817,443 and 189,972.30 is: 284,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,958.94 : 817,443 = 189,972.30 : x
  2. Step 2: Convert to fraction form
    544,958.94/817,443 = 189,972.30/x
  3. Step 3: Cross multiply
    544,958.94x = 817,443 × 189,972.30
  4. Step 4: Simplify right side
    544,958.94x = 155,291,526,828.90
  5. Step 5: Solve for x
    x = 155,291,526,828.90/544,958.94
  6. Step 6: Final answer
    x = 284,960.05

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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.