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Finding the Fourth Proportional to 199,365.60, 298,802.15 and 171,086.88

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Solution

The fourth proportional to 199,365.60, 298,802.15 and 171,086.88 is: 256,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,365.60 : 298,802.15 = 171,086.88 : x
  2. Step 2: Convert to fraction form
    199,365.60/298,802.15 = 171,086.88/x
  3. Step 3: Cross multiply
    199,365.60x = 298,802.15 × 171,086.88
  4. Step 4: Simplify right side
    199,365.60x = 51,121,125,231.35
  5. Step 5: Solve for x
    x = 51,121,125,231.35/199,365.60
  6. Step 6: Final answer
    x = 256,418.99

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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.