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Finding the Fourth Proportional to 303,335.64, 418,611.24 and 167,371.20

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Solution

The fourth proportional to 303,335.64, 418,611.24 and 167,371.20 is: 230,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,335.64 : 418,611.24 = 167,371.20 : x
  2. Step 2: Convert to fraction form
    303,335.64/418,611.24 = 167,371.20/x
  3. Step 3: Cross multiply
    303,335.64x = 418,611.24 × 167,371.20
  4. Step 4: Simplify right side
    303,335.64x = 70,063,465,572.29
  5. Step 5: Solve for x
    x = 70,063,465,572.29/303,335.64
  6. Step 6: Final answer
    x = 230,976.70

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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.