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Finding the Fourth Proportional to 339,133.60, 508,035.30 and 196,679.59

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Solution

The fourth proportional to 339,133.60, 508,035.30 and 196,679.59 is: 294,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,133.60 : 508,035.30 = 196,679.59 : x
  2. Step 2: Convert to fraction form
    339,133.60/508,035.30 = 196,679.59/x
  3. Step 3: Cross multiply
    339,133.60x = 508,035.30 × 196,679.59
  4. Step 4: Simplify right side
    339,133.60x = 99,920,174,509.53
  5. Step 5: Solve for x
    x = 99,920,174,509.53/339,133.60
  6. Step 6: Final answer
    x = 294,633.66

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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.