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Finding the Fourth Proportional to 544,590.50, 816,996.42 and 189,632.18

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Solution

The fourth proportional to 544,590.50, 816,996.42 and 189,632.18 is: 284,486.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,590.50 : 816,996.42 = 189,632.18 : x
  2. Step 2: Convert to fraction form
    544,590.50/816,996.42 = 189,632.18/x
  3. Step 3: Cross multiply
    544,590.50x = 816,996.42 × 189,632.18
  4. Step 4: Simplify right side
    544,590.50x = 154,928,812,176.80
  5. Step 5: Solve for x
    x = 154,928,812,176.80/544,590.50
  6. Step 6: Final answer
    x = 284,486.81

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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.