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Finding the Fourth Proportional to 467,270.76, 644,833.14 and 252,410.78

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Solution

The fourth proportional to 467,270.76, 644,833.14 and 252,410.78 is: 348,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,270.76 : 644,833.14 = 252,410.78 : x
  2. Step 2: Convert to fraction form
    467,270.76/644,833.14 = 252,410.78/x
  3. Step 3: Cross multiply
    467,270.76x = 644,833.14 × 252,410.78
  4. Step 4: Simplify right side
    467,270.76x = 162,762,835,837.25
  5. Step 5: Solve for x
    x = 162,762,835,837.25/467,270.76
  6. Step 6: Final answer
    x = 348,326.60

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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.