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Finding the Fourth Proportional to 537,747.60, 806,621.40 and 163,770.60

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Solution

The fourth proportional to 537,747.60, 806,621.40 and 163,770.60 is: 245,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,747.60 : 806,621.40 = 163,770.60 : x
  2. Step 2: Convert to fraction form
    537,747.60/806,621.40 = 163,770.60/x
  3. Step 3: Cross multiply
    537,747.60x = 806,621.40 × 163,770.60
  4. Step 4: Simplify right side
    537,747.60x = 132,100,870,650.84
  5. Step 5: Solve for x
    x = 132,100,870,650.84/537,747.60
  6. Step 6: Final answer
    x = 245,655.90

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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.