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Finding the Fourth Proportional to 303,901.50, 419,384.08 and 169,765.50

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Solution

The fourth proportional to 303,901.50, 419,384.08 and 169,765.50 is: 234,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,901.50 : 419,384.08 = 169,765.50 : x
  2. Step 2: Convert to fraction form
    303,901.50/419,384.08 = 169,765.50/x
  3. Step 3: Cross multiply
    303,901.50x = 419,384.08 × 169,765.50
  4. Step 4: Simplify right side
    303,901.50x = 71,196,948,033.24
  5. Step 5: Solve for x
    x = 71,196,948,033.24/303,901.50
  6. Step 6: Final answer
    x = 234,276.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.