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Finding the Fourth Proportional to 222,504.96, 306,826.74 and 154,598.88

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Solution

The fourth proportional to 222,504.96, 306,826.74 and 154,598.88 is: 213,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,504.96 : 306,826.74 = 154,598.88 : x
  2. Step 2: Convert to fraction form
    222,504.96/306,826.74 = 154,598.88/x
  3. Step 3: Cross multiply
    222,504.96x = 306,826.74 × 154,598.88
  4. Step 4: Simplify right side
    222,504.96x = 47,435,070,358.05
  5. Step 5: Solve for x
    x = 47,435,070,358.05/222,504.96
  6. Step 6: Final answer
    x = 213,186.58

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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.