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Finding the Fourth Proportional to 395,643.16, 592,516.46 and 203,010.66

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Solution

The fourth proportional to 395,643.16, 592,516.46 and 203,010.66 is: 304,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,643.16 : 592,516.46 = 203,010.66 : x
  2. Step 2: Convert to fraction form
    395,643.16/592,516.46 = 203,010.66/x
  3. Step 3: Cross multiply
    395,643.16x = 592,516.46 × 203,010.66
  4. Step 4: Simplify right side
    395,643.16x = 120,287,156,833.27
  5. Step 5: Solve for x
    x = 120,287,156,833.27/395,643.16
  6. Step 6: Final answer
    x = 304,029.41

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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.