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Finding the Fourth Proportional to 297,690.40, 410,803.27 and 170,363.26

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Solution

The fourth proportional to 297,690.40, 410,803.27 and 170,363.26 is: 235,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,690.40 : 410,803.27 = 170,363.26 : x
  2. Step 2: Convert to fraction form
    297,690.40/410,803.27 = 170,363.26/x
  3. Step 3: Cross multiply
    297,690.40x = 410,803.27 × 170,363.26
  4. Step 4: Simplify right side
    297,690.40x = 69,985,784,295.86
  5. Step 5: Solve for x
    x = 69,985,784,295.86/297,690.40
  6. Step 6: Final answer
    x = 235,095.87

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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.