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Finding the Fourth Proportional to 591,907.91, 887,870.06 and 192,550.77

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Solution

The fourth proportional to 591,907.91, 887,870.06 and 192,550.77 is: 288,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,907.91 : 887,870.06 = 192,550.77 : x
  2. Step 2: Convert to fraction form
    591,907.91/887,870.06 = 192,550.77/x
  3. Step 3: Cross multiply
    591,907.91x = 887,870.06 × 192,550.77
  4. Step 4: Simplify right side
    591,907.91x = 170,960,062,750.19
  5. Step 5: Solve for x
    x = 170,960,062,750.19/591,907.91
  6. Step 6: Final answer
    x = 288,828.82

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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.