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Finding the Fourth Proportional to 522,161.20, 783,296.48 and 222,673.42

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Solution

The fourth proportional to 522,161.20, 783,296.48 and 222,673.42 is: 334,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,161.20 : 783,296.48 = 222,673.42 : x
  2. Step 2: Convert to fraction form
    522,161.20/783,296.48 = 222,673.42/x
  3. Step 3: Cross multiply
    522,161.20x = 783,296.48 × 222,673.42
  4. Step 4: Simplify right side
    522,161.20x = 174,419,306,075.56
  5. Step 5: Solve for x
    x = 174,419,306,075.56/522,161.20
  6. Step 6: Final answer
    x = 334,033.45

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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.