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Finding the Fourth Proportional to 577,539.34, 866,456.61 and 222,458.02

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Solution

The fourth proportional to 577,539.34, 866,456.61 and 222,458.02 is: 333,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,539.34 : 866,456.61 = 222,458.02 : x
  2. Step 2: Convert to fraction form
    577,539.34/866,456.61 = 222,458.02/x
  3. Step 3: Cross multiply
    577,539.34x = 866,456.61 × 222,458.02
  4. Step 4: Simplify right side
    577,539.34x = 192,750,221,876.51
  5. Step 5: Solve for x
    x = 192,750,221,876.51/577,539.34
  6. Step 6: Final answer
    x = 333,743.88

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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.