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Finding the Fourth Proportional to 577,259.54, 866,119.11 and 222,178.22

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Solution

The fourth proportional to 577,259.54, 866,119.11 and 222,178.22 is: 333,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,259.54 : 866,119.11 = 222,178.22 : x
  2. Step 2: Convert to fraction form
    577,259.54/866,119.11 = 222,178.22/x
  3. Step 3: Cross multiply
    577,259.54x = 866,119.11 × 222,178.22
  4. Step 4: Simplify right side
    577,259.54x = 192,432,802,167.78
  5. Step 5: Solve for x
    x = 192,432,802,167.78/577,259.54
  6. Step 6: Final answer
    x = 333,355.78

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Double scale
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Similar ratio
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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.