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Finding the Fourth Proportional to 268,553.72, 370,596.30 and 147,694.88

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Solution

The fourth proportional to 268,553.72, 370,596.30 and 147,694.88 is: 203,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,553.72 : 370,596.30 = 147,694.88 : x
  2. Step 2: Convert to fraction form
    268,553.72/370,596.30 = 147,694.88/x
  3. Step 3: Cross multiply
    268,553.72x = 370,596.30 × 147,694.88
  4. Step 4: Simplify right side
    268,553.72x = 54,735,176,056.94
  5. Step 5: Solve for x
    x = 54,735,176,056.94/268,553.72
  6. Step 6: Final answer
    x = 203,814.63

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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.