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Finding the Fourth Proportional to 303,246.40, 418,470.96 and 169,110.40

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Solution

The fourth proportional to 303,246.40, 418,470.96 and 169,110.40 is: 233,367.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,246.40 : 418,470.96 = 169,110.40 : x
  2. Step 2: Convert to fraction form
    303,246.40/418,470.96 = 169,110.40/x
  3. Step 3: Cross multiply
    303,246.40x = 418,470.96 × 169,110.40
  4. Step 4: Simplify right side
    303,246.40x = 70,767,791,433.98
  5. Step 5: Solve for x
    x = 70,767,791,433.98/303,246.40
  6. Step 6: Final answer
    x = 233,367.29

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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.