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Finding the Fourth Proportional to 245,686.41, 339,232.01 and 241,762.86

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Solution

The fourth proportional to 245,686.41, 339,232.01 and 241,762.86 is: 333,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,686.41 : 339,232.01 = 241,762.86 : x
  2. Step 2: Convert to fraction form
    245,686.41/339,232.01 = 241,762.86/x
  3. Step 3: Cross multiply
    245,686.41x = 339,232.01 × 241,762.86
  4. Step 4: Simplify right side
    245,686.41x = 82,013,699,732.33
  5. Step 5: Solve for x
    x = 82,013,699,732.33/245,686.41
  6. Step 6: Final answer
    x = 333,814.56

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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.