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Finding the Fourth Proportional to 404,363.48, 606,441.37 and 119,986.77

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Solution

The fourth proportional to 404,363.48, 606,441.37 and 119,986.77 is: 179,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,363.48 : 606,441.37 = 119,986.77 : x
  2. Step 2: Convert to fraction form
    404,363.48/606,441.37 = 119,986.77/x
  3. Step 3: Cross multiply
    404,363.48x = 606,441.37 × 119,986.77
  4. Step 4: Simplify right side
    404,363.48x = 72,764,941,180.67
  5. Step 5: Solve for x
    x = 72,764,941,180.67/404,363.48
  6. Step 6: Final answer
    x = 179,949.34

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1.5x scale

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.