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Finding the Fourth Proportional to 537,909.20, 806,518.20 and 222,491.60

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Solution

The fourth proportional to 537,909.20, 806,518.20 and 222,491.60 is: 333,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,909.20 : 806,518.20 = 222,491.60 : x
  2. Step 2: Convert to fraction form
    537,909.20/806,518.20 = 222,491.60/x
  3. Step 3: Cross multiply
    537,909.20x = 806,518.20 × 222,491.60
  4. Step 4: Simplify right side
    537,909.20x = 179,443,524,747.12
  5. Step 5: Solve for x
    x = 179,443,524,747.12/537,909.20
  6. Step 6: Final answer
    x = 333,594.45

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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.