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Finding the Fourth Proportional to 489,053.79, 733,588.37 and 222,803.55

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Solution

The fourth proportional to 489,053.79, 733,588.37 and 222,803.55 is: 334,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,053.79 : 733,588.37 = 222,803.55 : x
  2. Step 2: Convert to fraction form
    489,053.79/733,588.37 = 222,803.55/x
  3. Step 3: Cross multiply
    489,053.79x = 733,588.37 × 222,803.55
  4. Step 4: Simplify right side
    489,053.79x = 163,446,093,074.71
  5. Step 5: Solve for x
    x = 163,446,093,074.71/489,053.79
  6. Step 6: Final answer
    x = 334,208.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.