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Finding the Fourth Proportional to 358,997.56, 538,596.14 and 156,611.37

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Solution

The fourth proportional to 358,997.56, 538,596.14 and 156,611.37 is: 234,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,997.56 : 538,596.14 = 156,611.37 : x
  2. Step 2: Convert to fraction form
    358,997.56/538,596.14 = 156,611.37/x
  3. Step 3: Cross multiply
    358,997.56x = 538,596.14 × 156,611.37
  4. Step 4: Simplify right side
    358,997.56x = 84,350,279,362.11
  5. Step 5: Solve for x
    x = 84,350,279,362.11/358,997.56
  6. Step 6: Final answer
    x = 234,960.59

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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.