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Finding the Fourth Proportional to 467,906.99, 645,713.58 and 253,047.05

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Solution

The fourth proportional to 467,906.99, 645,713.58 and 253,047.05 is: 349,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,906.99 : 645,713.58 = 253,047.05 : x
  2. Step 2: Convert to fraction form
    467,906.99/645,713.58 = 253,047.05/x
  3. Step 3: Cross multiply
    467,906.99x = 645,713.58 × 253,047.05
  4. Step 4: Simplify right side
    467,906.99x = 163,395,916,563.94
  5. Step 5: Solve for x
    x = 163,395,916,563.94/467,906.99
  6. Step 6: Final answer
    x = 349,205.97

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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.