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Finding the Fourth Proportional to 591,907.65, 887,869.67 and 192,550.51

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Solution

The fourth proportional to 591,907.65, 887,869.67 and 192,550.51 is: 288,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,907.65 : 887,869.67 = 192,550.51 : x
  2. Step 2: Convert to fraction form
    591,907.65/887,869.67 = 192,550.51/x
  3. Step 3: Cross multiply
    591,907.65x = 887,869.67 × 192,550.51
  4. Step 4: Simplify right side
    591,907.65x = 170,959,757,772.03
  5. Step 5: Solve for x
    x = 170,959,757,772.03/591,907.65
  6. Step 6: Final answer
    x = 288,828.43

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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.