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Finding the Fourth Proportional to 338,964.84, 467,770.17 and 186,005.58

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Solution

The fourth proportional to 338,964.84, 467,770.17 and 186,005.58 is: 256,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,964.84 : 467,770.17 = 186,005.58 : x
  2. Step 2: Convert to fraction form
    338,964.84/467,770.17 = 186,005.58/x
  3. Step 3: Cross multiply
    338,964.84x = 467,770.17 × 186,005.58
  4. Step 4: Simplify right side
    338,964.84x = 87,007,861,777.55
  5. Step 5: Solve for x
    x = 87,007,861,777.55/338,964.84
  6. Step 6: Final answer
    x = 256,686.98

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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.