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Finding the Fourth Proportional to 537,911.20, 806,521.20 and 222,493.60

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Solution

The fourth proportional to 537,911.20, 806,521.20 and 222,493.60 is: 333,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,911.20 : 806,521.20 = 222,493.60 : x
  2. Step 2: Convert to fraction form
    537,911.20/806,521.20 = 222,493.60/x
  3. Step 3: Cross multiply
    537,911.20x = 806,521.20 × 222,493.60
  4. Step 4: Simplify right side
    537,911.20x = 179,445,805,264.32
  5. Step 5: Solve for x
    x = 179,445,805,264.32/537,911.20
  6. Step 6: Final answer
    x = 333,597.45

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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.