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Finding the Fourth Proportional to 496,425.91, 685,070.73 and 270,073.03

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Solution

The fourth proportional to 496,425.91, 685,070.73 and 270,073.03 is: 372,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,425.91 : 685,070.73 = 270,073.03 : x
  2. Step 2: Convert to fraction form
    496,425.91/685,070.73 = 270,073.03/x
  3. Step 3: Cross multiply
    496,425.91x = 685,070.73 × 270,073.03
  4. Step 4: Simplify right side
    496,425.91x = 185,019,123,039.69
  5. Step 5: Solve for x
    x = 185,019,123,039.69/496,425.91
  6. Step 6: Final answer
    x = 372,702.39

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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.