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Finding the Fourth Proportional to 327,145.68, 451,458.90 and 183,906.90

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Solution

The fourth proportional to 327,145.68, 451,458.90 and 183,906.90 is: 253,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,145.68 : 451,458.90 = 183,906.90 : x
  2. Step 2: Convert to fraction form
    327,145.68/451,458.90 = 183,906.90/x
  3. Step 3: Cross multiply
    327,145.68x = 451,458.90 × 183,906.90
  4. Step 4: Simplify right side
    327,145.68x = 83,026,406,776.41
  5. Step 5: Solve for x
    x = 83,026,406,776.41/327,145.68
  6. Step 6: Final answer
    x = 253,790.32

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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.