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Finding the Fourth Proportional to 300,019.86, 414,026.37 and 165,883.86

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Solution

The fourth proportional to 300,019.86, 414,026.37 and 165,883.86 is: 228,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,019.86 : 414,026.37 = 165,883.86 : x
  2. Step 2: Convert to fraction form
    300,019.86/414,026.37 = 165,883.86/x
  3. Step 3: Cross multiply
    300,019.86x = 414,026.37 × 165,883.86
  4. Step 4: Simplify right side
    300,019.86x = 68,680,292,397.39
  5. Step 5: Solve for x
    x = 68,680,292,397.39/300,019.86
  6. Step 6: Final answer
    x = 228,919.15

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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.