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Finding the Fourth Proportional to 297,690.90, 410,803.96 and 170,363.76

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Solution

The fourth proportional to 297,690.90, 410,803.96 and 170,363.76 is: 235,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,690.90 : 410,803.96 = 170,363.76 : x
  2. Step 2: Convert to fraction form
    297,690.90/410,803.96 = 170,363.76/x
  3. Step 3: Cross multiply
    297,690.90x = 410,803.96 × 170,363.76
  4. Step 4: Simplify right side
    297,690.90x = 69,986,107,248.49
  5. Step 5: Solve for x
    x = 69,986,107,248.49/297,690.90
  6. Step 6: Final answer
    x = 235,096.56

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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.