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Finding the Fourth Proportional to 550,477.86, 825,518.66 and 190,550.92

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Solution

The fourth proportional to 550,477.86, 825,518.66 and 190,550.92 is: 285,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,477.86 : 825,518.66 = 190,550.92 : x
  2. Step 2: Convert to fraction form
    550,477.86/825,518.66 = 190,550.92/x
  3. Step 3: Cross multiply
    550,477.86x = 825,518.66 × 190,550.92
  4. Step 4: Simplify right side
    550,477.86x = 157,303,340,140.17
  5. Step 5: Solve for x
    x = 157,303,340,140.17/550,477.86
  6. Step 6: Final answer
    x = 285,757.80

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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.