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Finding the Fourth Proportional to 222,498.96, 306,818.46 and 154,592.88

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Solution

The fourth proportional to 222,498.96, 306,818.46 and 154,592.88 is: 213,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,498.96 : 306,818.46 = 154,592.88 : x
  2. Step 2: Convert to fraction form
    222,498.96/306,818.46 = 154,592.88/x
  3. Step 3: Cross multiply
    222,498.96x = 306,818.46 × 154,592.88
  4. Step 4: Simplify right side
    222,498.96x = 47,431,949,368.56
  5. Step 5: Solve for x
    x = 47,431,949,368.56/222,498.96
  6. Step 6: Final answer
    x = 213,178.30

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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.