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Finding the Fourth Proportional to 537,680.80, 806,812.80 and 222,169.60

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Solution

The fourth proportional to 537,680.80, 806,812.80 and 222,169.60 is: 333,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,680.80 : 806,812.80 = 222,169.60 : x
  2. Step 2: Convert to fraction form
    537,680.80/806,812.80 = 222,169.60/x
  3. Step 3: Cross multiply
    537,680.80x = 806,812.80 × 222,169.60
  4. Step 4: Simplify right side
    537,680.80x = 179,249,277,050.88
  5. Step 5: Solve for x
    x = 179,249,277,050.88/537,680.80
  6. Step 6: Final answer
    x = 333,374.89

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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.