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Finding the Fourth Proportional to 411,725.60, 617,160.21 and 159,179.54

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Solution

The fourth proportional to 411,725.60, 617,160.21 and 159,179.54 is: 238,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,725.60 : 617,160.21 = 159,179.54 : x
  2. Step 2: Convert to fraction form
    411,725.60/617,160.21 = 159,179.54/x
  3. Step 3: Cross multiply
    411,725.60x = 617,160.21 × 159,179.54
  4. Step 4: Simplify right side
    411,725.60x = 98,239,275,248.30
  5. Step 5: Solve for x
    x = 98,239,275,248.30/411,725.60
  6. Step 6: Final answer
    x = 238,603.76

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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.