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Finding the Fourth Proportional to 271,601.10, 407,401.65 and 170,561.70

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Solution

The fourth proportional to 271,601.10, 407,401.65 and 170,561.70 is: 255,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,601.10 : 407,401.65 = 170,561.70 : x
  2. Step 2: Convert to fraction form
    271,601.10/407,401.65 = 170,561.70/x
  3. Step 3: Cross multiply
    271,601.10x = 407,401.65 × 170,561.70
  4. Step 4: Simplify right side
    271,601.10x = 69,487,118,006.81
  5. Step 5: Solve for x
    x = 69,487,118,006.81/271,601.10
  6. Step 6: Final answer
    x = 255,842.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.