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Finding the Fourth Proportional to 297,476.52, 410,517.56 and 163,340.52

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Solution

The fourth proportional to 297,476.52, 410,517.56 and 163,340.52 is: 225,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,476.52 : 410,517.56 = 163,340.52 : x
  2. Step 2: Convert to fraction form
    297,476.52/410,517.56 = 163,340.52/x
  3. Step 3: Cross multiply
    297,476.52x = 410,517.56 × 163,340.52
  4. Step 4: Simplify right side
    297,476.52x = 67,054,151,719.53
  5. Step 5: Solve for x
    x = 67,054,151,719.53/297,476.52
  6. Step 6: Final answer
    x = 225,409.90

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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.