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Finding the Fourth Proportional to 303,073.56, 418,244.40 and 167,112.90

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Solution

The fourth proportional to 303,073.56, 418,244.40 and 167,112.90 is: 230,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,073.56 : 418,244.40 = 167,112.90 : x
  2. Step 2: Convert to fraction form
    303,073.56/418,244.40 = 167,112.90/x
  3. Step 3: Cross multiply
    303,073.56x = 418,244.40 × 167,112.90
  4. Step 4: Simplify right side
    303,073.56x = 69,894,034,592.76
  5. Step 5: Solve for x
    x = 69,894,034,592.76/303,073.56
  6. Step 6: Final answer
    x = 230,617.39

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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.