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Finding the Fourth Proportional to 263,717.58, 363,856.42 and 165,611.40

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Solution

The fourth proportional to 263,717.58, 363,856.42 and 165,611.40 is: 228,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,717.58 : 363,856.42 = 165,611.40 : x
  2. Step 2: Convert to fraction form
    263,717.58/363,856.42 = 165,611.40/x
  3. Step 3: Cross multiply
    263,717.58x = 363,856.42 × 165,611.40
  4. Step 4: Simplify right side
    263,717.58x = 60,258,771,115.19
  5. Step 5: Solve for x
    x = 60,258,771,115.19/263,717.58
  6. Step 6: Final answer
    x = 228,497.36

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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.