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Finding the Fourth Proportional to 577,542.12, 866,460.78 and 222,460.80

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Solution

The fourth proportional to 577,542.12, 866,460.78 and 222,460.80 is: 333,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,542.12 : 866,460.78 = 222,460.80 : x
  2. Step 2: Convert to fraction form
    577,542.12/866,460.78 = 222,460.80/x
  3. Step 3: Cross multiply
    577,542.12x = 866,460.78 × 222,460.80
  4. Step 4: Simplify right side
    577,542.12x = 192,753,558,287.42
  5. Step 5: Solve for x
    x = 192,753,558,287.42/577,542.12
  6. Step 6: Final answer
    x = 333,748.05

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1.5x scale

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.