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Finding the Fourth Proportional to 424,379.49, 587,185.82 and 370,044.96

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Solution

The fourth proportional to 424,379.49, 587,185.82 and 370,044.96 is: 512,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,379.49 : 587,185.82 = 370,044.96 : x
  2. Step 2: Convert to fraction form
    424,379.49/587,185.82 = 370,044.96/x
  3. Step 3: Cross multiply
    424,379.49x = 587,185.82 × 370,044.96
  4. Step 4: Simplify right side
    424,379.49x = 217,285,152,691.47
  5. Step 5: Solve for x
    x = 217,285,152,691.47/424,379.49
  6. Step 6: Final answer
    x = 512,006.73

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1.5x scale

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.