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Finding the Fourth Proportional to 297,876.28, 411,069.24 and 163,740.28

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Solution

The fourth proportional to 297,876.28, 411,069.24 and 163,740.28 is: 225,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,876.28 : 411,069.24 = 163,740.28 : x
  2. Step 2: Convert to fraction form
    297,876.28/411,069.24 = 163,740.28/x
  3. Step 3: Cross multiply
    297,876.28x = 411,069.24 × 163,740.28
  4. Step 4: Simplify right side
    297,876.28x = 67,308,592,456.99
  5. Step 5: Solve for x
    x = 67,308,592,456.99/297,876.28
  6. Step 6: Final answer
    x = 225,961.57

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1.5x scale

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.