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Finding the Fourth Proportional to 577,531.32, 866,444.62 and 222,450

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Solution

The fourth proportional to 577,531.32, 866,444.62 and 222,450 is: 333,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,531.32 : 866,444.62 = 222,450 : x
  2. Step 2: Convert to fraction form
    577,531.32/866,444.62 = 222,450/x
  3. Step 3: Cross multiply
    577,531.32x = 866,444.62 × 222,450
  4. Step 4: Simplify right side
    577,531.32x = 192,740,605,719
  5. Step 5: Solve for x
    x = 192,740,605,719/577,531.32
  6. Step 6: Final answer
    x = 333,731.87

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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.