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Finding the Fourth Proportional to 535,183.64, 738,587.56 and 353,576.98

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Solution

The fourth proportional to 535,183.64, 738,587.56 and 353,576.98 is: 487,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,183.64 : 738,587.56 = 353,576.98 : x
  2. Step 2: Convert to fraction form
    535,183.64/738,587.56 = 353,576.98/x
  3. Step 3: Cross multiply
    535,183.64x = 738,587.56 × 353,576.98
  4. Step 4: Simplify right side
    535,183.64x = 261,147,559,814.31
  5. Step 5: Solve for x
    x = 261,147,559,814.31/535,183.64
  6. Step 6: Final answer
    x = 487,958.79

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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.