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Finding the Fourth Proportional to 285,236.56, 393,596.58 and 164,353.78

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Solution

The fourth proportional to 285,236.56, 393,596.58 and 164,353.78 is: 226,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,236.56 : 393,596.58 = 164,353.78 : x
  2. Step 2: Convert to fraction form
    285,236.56/393,596.58 = 164,353.78/x
  3. Step 3: Cross multiply
    285,236.56x = 393,596.58 × 164,353.78
  4. Step 4: Simplify right side
    285,236.56x = 64,689,085,718.07
  5. Step 5: Solve for x
    x = 64,689,085,718.07/285,236.56
  6. Step 6: Final answer
    x = 226,791.00

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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.