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Finding the Fourth Proportional to 467,800.68, 645,564.52 and 252,940.29

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Solution

The fourth proportional to 467,800.68, 645,564.52 and 252,940.29 is: 349,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,800.68 : 645,564.52 = 252,940.29 : x
  2. Step 2: Convert to fraction form
    467,800.68/645,564.52 = 252,940.29/x
  3. Step 3: Cross multiply
    467,800.68x = 645,564.52 × 252,940.29
  4. Step 4: Simplify right side
    467,800.68x = 163,289,276,902.51
  5. Step 5: Solve for x
    x = 163,289,276,902.51/467,800.68
  6. Step 6: Final answer
    x = 349,057.37

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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.