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Finding the Fourth Proportional to 303,098.46, 418,278.79 and 167,137.22

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Solution

The fourth proportional to 303,098.46, 418,278.79 and 167,137.22 is: 230,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,098.46 : 418,278.79 = 167,137.22 : x
  2. Step 2: Convert to fraction form
    303,098.46/418,278.79 = 167,137.22/x
  3. Step 3: Cross multiply
    303,098.46x = 418,278.79 × 167,137.22
  4. Step 4: Simplify right side
    303,098.46x = 69,909,954,460.04
  5. Step 5: Solve for x
    x = 69,909,954,460.04/303,098.46
  6. Step 6: Final answer
    x = 230,650.98

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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.