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Finding the Fourth Proportional to 384,673.82, 576,659.18 and 171,329.54

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Solution

The fourth proportional to 384,673.82, 576,659.18 and 171,329.54 is: 256,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,673.82 : 576,659.18 = 171,329.54 : x
  2. Step 2: Convert to fraction form
    384,673.82/576,659.18 = 171,329.54/x
  3. Step 3: Cross multiply
    384,673.82x = 576,659.18 × 171,329.54
  4. Step 4: Simplify right side
    384,673.82x = 98,798,752,046.18
  5. Step 5: Solve for x
    x = 98,798,752,046.18/384,673.82
  6. Step 6: Final answer
    x = 256,837.73

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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.