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Finding the Fourth Proportional to 467,118.49, 644,623.50 and 252,258.54

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Solution

The fourth proportional to 467,118.49, 644,623.50 and 252,258.54 is: 348,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,118.49 : 644,623.50 = 252,258.54 : x
  2. Step 2: Convert to fraction form
    467,118.49/644,623.50 = 252,258.54/x
  3. Step 3: Cross multiply
    467,118.49x = 644,623.50 × 252,258.54
  4. Step 4: Simplify right side
    467,118.49x = 162,611,786,323.00
  5. Step 5: Solve for x
    x = 162,611,786,323.00/467,118.49
  6. Step 6: Final answer
    x = 348,116.79

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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.