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Finding the Fourth Proportional to 299,203.52, 412,859.90 and 171,879.08

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Solution

The fourth proportional to 299,203.52, 412,859.90 and 171,879.08 is: 237,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,203.52 : 412,859.90 = 171,879.08 : x
  2. Step 2: Convert to fraction form
    299,203.52/412,859.90 = 171,879.08/x
  3. Step 3: Cross multiply
    299,203.52x = 412,859.90 × 171,879.08
  4. Step 4: Simplify right side
    299,203.52x = 70,961,979,780.89
  5. Step 5: Solve for x
    x = 70,961,979,780.89/299,203.52
  6. Step 6: Final answer
    x = 237,169.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.