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Finding the Fourth Proportional to 322,391.95, 444,880.49 and 179,143.45

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Solution

The fourth proportional to 322,391.95, 444,880.49 and 179,143.45 is: 247,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,391.95 : 444,880.49 = 179,143.45 : x
  2. Step 2: Convert to fraction form
    322,391.95/444,880.49 = 179,143.45/x
  3. Step 3: Cross multiply
    322,391.95x = 444,880.49 × 179,143.45
  4. Step 4: Simplify right side
    322,391.95x = 79,697,423,808.37
  5. Step 5: Solve for x
    x = 79,697,423,808.37/322,391.95
  6. Step 6: Final answer
    x = 247,206.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.