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Finding the Fourth Proportional to 395,310.42, 592,469.01 and 170,407.62

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Solution

The fourth proportional to 395,310.42, 592,469.01 and 170,407.62 is: 255,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,310.42 : 592,469.01 = 170,407.62 : x
  2. Step 2: Convert to fraction form
    395,310.42/592,469.01 = 170,407.62/x
  3. Step 3: Cross multiply
    395,310.42x = 592,469.01 × 170,407.62
  4. Step 4: Simplify right side
    395,310.42x = 100,961,233,917.86
  5. Step 5: Solve for x
    x = 100,961,233,917.86/395,310.42
  6. Step 6: Final answer
    x = 255,397.35

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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.