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Finding the Fourth Proportional to 577,518.89, 866,425.95 and 222,437.57

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Solution

The fourth proportional to 577,518.89, 866,425.95 and 222,437.57 is: 333,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,518.89 : 866,425.95 = 222,437.57 : x
  2. Step 2: Convert to fraction form
    577,518.89/866,425.95 = 222,437.57/x
  3. Step 3: Cross multiply
    577,518.89x = 866,425.95 × 222,437.57
  4. Step 4: Simplify right side
    577,518.89x = 192,725,682,902.94
  5. Step 5: Solve for x
    x = 192,725,682,902.94/577,518.89
  6. Step 6: Final answer
    x = 333,713.21

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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.