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Finding the Fourth Proportional to 594,046.80, 819,590.40 and 379,256.40

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Solution

The fourth proportional to 594,046.80, 819,590.40 and 379,256.40 is: 523,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,046.80 : 819,590.40 = 379,256.40 : x
  2. Step 2: Convert to fraction form
    594,046.80/819,590.40 = 379,256.40/x
  3. Step 3: Cross multiply
    594,046.80x = 819,590.40 × 379,256.40
  4. Step 4: Simplify right side
    594,046.80x = 310,834,904,578.56
  5. Step 5: Solve for x
    x = 310,834,904,578.56/594,046.80
  6. Step 6: Final answer
    x = 523,249.86

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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.