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Finding the Fourth Proportional to 489,313.83, 733,794.65 and 169,378.77

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Solution

The fourth proportional to 489,313.83, 733,794.65 and 169,378.77 is: 254,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,313.83 : 733,794.65 = 169,378.77 : x
  2. Step 2: Convert to fraction form
    489,313.83/733,794.65 = 169,378.77/x
  3. Step 3: Cross multiply
    489,313.83x = 733,794.65 × 169,378.77
  4. Step 4: Simplify right side
    489,313.83x = 124,289,235,249.58
  5. Step 5: Solve for x
    x = 124,289,235,249.58/489,313.83
  6. Step 6: Final answer
    x = 254,007.20

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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.