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Finding the Fourth Proportional to 344,745.86, 516,990.80 and 120,048.62

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Solution

The fourth proportional to 344,745.86, 516,990.80 and 120,048.62 is: 180,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,745.86 : 516,990.80 = 120,048.62 : x
  2. Step 2: Convert to fraction form
    344,745.86/516,990.80 = 120,048.62/x
  3. Step 3: Cross multiply
    344,745.86x = 516,990.80 × 120,048.62
  4. Step 4: Simplify right side
    344,745.86x = 62,064,032,092.70
  5. Step 5: Solve for x
    x = 62,064,032,092.70/344,745.86
  6. Step 6: Final answer
    x = 180,028.36

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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.