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Finding the Fourth Proportional to 577,536.12, 866,451.78 and 222,454.80

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Solution

The fourth proportional to 577,536.12, 866,451.78 and 222,454.80 is: 333,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,536.12 : 866,451.78 = 222,454.80 : x
  2. Step 2: Convert to fraction form
    577,536.12/866,451.78 = 222,454.80/x
  3. Step 3: Cross multiply
    577,536.12x = 866,451.78 × 222,454.80
  4. Step 4: Simplify right side
    577,536.12x = 192,746,357,429.54
  5. Step 5: Solve for x
    x = 192,746,357,429.54/577,536.12
  6. Step 6: Final answer
    x = 333,739.05

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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.