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Finding the Fourth Proportional to 577,860.40, 866,531.40 and 222,756.40

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Solution

The fourth proportional to 577,860.40, 866,531.40 and 222,756.40 is: 334,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,860.40 : 866,531.40 = 222,756.40 : x
  2. Step 2: Convert to fraction form
    577,860.40/866,531.40 = 222,756.40/x
  3. Step 3: Cross multiply
    577,860.40x = 866,531.40 × 222,756.40
  4. Step 4: Simplify right side
    577,860.40x = 193,025,415,150.96
  5. Step 5: Solve for x
    x = 193,025,415,150.96/577,860.40
  6. Step 6: Final answer
    x = 334,034.68

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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.