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Finding the Fourth Proportional to 577,500.64, 866,398.58 and 222,419.32

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Solution

The fourth proportional to 577,500.64, 866,398.58 and 222,419.32 is: 333,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,500.64 : 866,398.58 = 222,419.32 : x
  2. Step 2: Convert to fraction form
    577,500.64/866,398.58 = 222,419.32/x
  3. Step 3: Cross multiply
    577,500.64x = 866,398.58 × 222,419.32
  4. Step 4: Simplify right side
    577,500.64x = 192,703,780,568.55
  5. Step 5: Solve for x
    x = 192,703,780,568.55/577,500.64
  6. Step 6: Final answer
    x = 333,685.83

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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.