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Finding the Fourth Proportional to 329,606.60, 493,753.80 and 171,923.90

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Solution

The fourth proportional to 329,606.60, 493,753.80 and 171,923.90 is: 257,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,606.60 : 493,753.80 = 171,923.90 : x
  2. Step 2: Convert to fraction form
    329,606.60/493,753.80 = 171,923.90/x
  3. Step 3: Cross multiply
    329,606.60x = 493,753.80 × 171,923.90
  4. Step 4: Simplify right side
    329,606.60x = 84,888,078,935.82
  5. Step 5: Solve for x
    x = 84,888,078,935.82/329,606.60
  6. Step 6: Final answer
    x = 257,543.63

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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.