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Finding the Fourth Proportional to 453,992.64, 626,502.12 and 250,062.66

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Solution

The fourth proportional to 453,992.64, 626,502.12 and 250,062.66 is: 345,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,992.64 : 626,502.12 = 250,062.66 : x
  2. Step 2: Convert to fraction form
    453,992.64/626,502.12 = 250,062.66/x
  3. Step 3: Cross multiply
    453,992.64x = 626,502.12 × 250,062.66
  4. Step 4: Simplify right side
    453,992.64x = 156,664,786,622.84
  5. Step 5: Solve for x
    x = 156,664,786,622.84/453,992.64
  6. Step 6: Final answer
    x = 345,082.22

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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.