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Finding the Fourth Proportional to 270,868.92, 406,372.50 and 171,733.56

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Solution

The fourth proportional to 270,868.92, 406,372.50 and 171,733.56 is: 257,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,868.92 : 406,372.50 = 171,733.56 : x
  2. Step 2: Convert to fraction form
    270,868.92/406,372.50 = 171,733.56/x
  3. Step 3: Cross multiply
    270,868.92x = 406,372.50 × 171,733.56
  4. Step 4: Simplify right side
    270,868.92x = 69,787,796,111.10
  5. Step 5: Solve for x
    x = 69,787,796,111.10/270,868.92
  6. Step 6: Final answer
    x = 257,644.16

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1.5x scale

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.