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Finding the Fourth Proportional to 306,600.92, 423,079.94 and 226,071.92

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Solution

The fourth proportional to 306,600.92, 423,079.94 and 226,071.92 is: 311,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,600.92 : 423,079.94 = 226,071.92 : x
  2. Step 2: Convert to fraction form
    306,600.92/423,079.94 = 226,071.92/x
  3. Step 3: Cross multiply
    306,600.92x = 423,079.94 × 226,071.92
  4. Step 4: Simplify right side
    306,600.92x = 95,646,494,349.28
  5. Step 5: Solve for x
    x = 95,646,494,349.28/306,600.92
  6. Step 6: Final answer
    x = 311,957.62

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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.