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Finding the Fourth Proportional to 591,897.65, 887,854.67 and 192,540.51

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Solution

The fourth proportional to 591,897.65, 887,854.67 and 192,540.51 is: 288,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,897.65 : 887,854.67 = 192,540.51 : x
  2. Step 2: Convert to fraction form
    591,897.65/887,854.67 = 192,540.51/x
  3. Step 3: Cross multiply
    591,897.65x = 887,854.67 × 192,540.51
  4. Step 4: Simplify right side
    591,897.65x = 170,947,990,967.68
  5. Step 5: Solve for x
    x = 170,947,990,967.68/591,897.65
  6. Step 6: Final answer
    x = 288,813.43

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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.