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Finding the Fourth Proportional to 395,183.78, 592,777.20 and 95,663.87

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Solution

The fourth proportional to 395,183.78, 592,777.20 and 95,663.87 is: 143,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,183.78 : 592,777.20 = 95,663.87 : x
  2. Step 2: Convert to fraction form
    395,183.78/592,777.20 = 95,663.87/x
  3. Step 3: Cross multiply
    395,183.78x = 592,777.20 × 95,663.87
  4. Step 4: Simplify right side
    395,183.78x = 56,707,360,999.76
  5. Step 5: Solve for x
    x = 56,707,360,999.76/395,183.78
  6. Step 6: Final answer
    x = 143,496.18

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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.