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Finding the Fourth Proportional to 303,449.19, 418,759.49 and 167,483.40

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Solution

The fourth proportional to 303,449.19, 418,759.49 and 167,483.40 is: 231,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,449.19 : 418,759.49 = 167,483.40 : x
  2. Step 2: Convert to fraction form
    303,449.19/418,759.49 = 167,483.40/x
  3. Step 3: Cross multiply
    303,449.19x = 418,759.49 × 167,483.40
  4. Step 4: Simplify right side
    303,449.19x = 70,135,262,330.05
  5. Step 5: Solve for x
    x = 70,135,262,330.05/303,449.19
  6. Step 6: Final answer
    x = 231,126.87

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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.