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Finding the Fourth Proportional to 297,328.80, 410,313.95 and 161,362.71

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Solution

The fourth proportional to 297,328.80, 410,313.95 and 161,362.71 is: 222,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,328.80 : 410,313.95 = 161,362.71 : x
  2. Step 2: Convert to fraction form
    297,328.80/410,313.95 = 161,362.71/x
  3. Step 3: Cross multiply
    297,328.80x = 410,313.95 × 161,362.71
  4. Step 4: Simplify right side
    297,328.80x = 66,209,370,922.80
  5. Step 5: Solve for x
    x = 66,209,370,922.80/297,328.80
  6. Step 6: Final answer
    x = 222,680.65

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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.