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Finding the Fourth Proportional to 537,915.20, 806,527.20 and 222,497.60

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Solution

The fourth proportional to 537,915.20, 806,527.20 and 222,497.60 is: 333,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,915.20 : 806,527.20 = 222,497.60 : x
  2. Step 2: Convert to fraction form
    537,915.20/806,527.20 = 222,497.60/x
  3. Step 3: Cross multiply
    537,915.20x = 806,527.20 × 222,497.60
  4. Step 4: Simplify right side
    537,915.20x = 179,450,366,334.72
  5. Step 5: Solve for x
    x = 179,450,366,334.72/537,915.20
  6. Step 6: Final answer
    x = 333,603.45

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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.