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Finding the Fourth Proportional to 298,340.28, 411,605.68 and 169,263.56

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Solution

The fourth proportional to 298,340.28, 411,605.68 and 169,263.56 is: 233,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,340.28 : 411,605.68 = 169,263.56 : x
  2. Step 2: Convert to fraction form
    298,340.28/411,605.68 = 169,263.56/x
  3. Step 3: Cross multiply
    298,340.28x = 411,605.68 × 169,263.56
  4. Step 4: Simplify right side
    298,340.28x = 69,669,842,713.02
  5. Step 5: Solve for x
    x = 69,669,842,713.02/298,340.28
  6. Step 6: Final answer
    x = 233,524.76

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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.