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Finding the Fourth Proportional to 339,077.15, 508,700.78 and 149,573.60

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Solution

The fourth proportional to 339,077.15, 508,700.78 and 149,573.60 is: 224,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,077.15 : 508,700.78 = 149,573.60 : x
  2. Step 2: Convert to fraction form
    339,077.15/508,700.78 = 149,573.60/x
  3. Step 3: Cross multiply
    339,077.15x = 508,700.78 × 149,573.60
  4. Step 4: Simplify right side
    339,077.15x = 76,088,206,239.54
  5. Step 5: Solve for x
    x = 76,088,206,239.54/339,077.15
  6. Step 6: Final answer
    x = 224,397.92

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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.