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Finding the Fourth Proportional to 537,615.52, 806,540.08 and 163,628.80

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Solution

The fourth proportional to 537,615.52, 806,540.08 and 163,628.80 is: 245,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,615.52 : 806,540.08 = 163,628.80 : x
  2. Step 2: Convert to fraction form
    537,615.52/806,540.08 = 163,628.80/x
  3. Step 3: Cross multiply
    537,615.52x = 806,540.08 × 163,628.80
  4. Step 4: Simplify right side
    537,615.52x = 131,973,185,442.30
  5. Step 5: Solve for x
    x = 131,973,185,442.30/537,615.52
  6. Step 6: Final answer
    x = 245,478.75

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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.