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Finding the Fourth Proportional to 341,667.20, 512,646.60 and 164,082.80

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Solution

The fourth proportional to 341,667.20, 512,646.60 and 164,082.80 is: 246,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,667.20 : 512,646.60 = 164,082.80 : x
  2. Step 2: Convert to fraction form
    341,667.20/512,646.60 = 164,082.80/x
  3. Step 3: Cross multiply
    341,667.20x = 512,646.60 × 164,082.80
  4. Step 4: Simplify right side
    341,667.20x = 84,116,489,538.48
  5. Step 5: Solve for x
    x = 84,116,489,538.48/341,667.20
  6. Step 6: Final answer
    x = 246,194.22

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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.