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Finding the Fourth Proportional to 475,854.80, 656,836.67 and 425,409.44

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Solution

The fourth proportional to 475,854.80, 656,836.67 and 425,409.44 is: 587,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,854.80 : 656,836.67 = 425,409.44 : x
  2. Step 2: Convert to fraction form
    475,854.80/656,836.67 = 425,409.44/x
  3. Step 3: Cross multiply
    475,854.80x = 656,836.67 × 425,409.44
  4. Step 4: Simplify right side
    475,854.80x = 279,424,514,544.93
  5. Step 5: Solve for x
    x = 279,424,514,544.93/475,854.80
  6. Step 6: Final answer
    x = 587,205.41

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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.