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Finding the Fourth Proportional to 489,053.54, 733,587.99 and 222,803.30

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Solution

The fourth proportional to 489,053.54, 733,587.99 and 222,803.30 is: 334,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,053.54 : 733,587.99 = 222,803.30 : x
  2. Step 2: Convert to fraction form
    489,053.54/733,587.99 = 222,803.30/x
  3. Step 3: Cross multiply
    489,053.54x = 733,587.99 × 222,803.30
  4. Step 4: Simplify right side
    489,053.54x = 163,445,825,012.37
  5. Step 5: Solve for x
    x = 163,445,825,012.37/489,053.54
  6. Step 6: Final answer
    x = 334,208.45

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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.