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Finding the Fourth Proportional to 461,596, 636,925.52 and 308,388.56

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Solution

The fourth proportional to 461,596, 636,925.52 and 308,388.56 is: 425,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,596 : 636,925.52 = 308,388.56 : x
  2. Step 2: Convert to fraction form
    461,596/636,925.52 = 308,388.56/x
  3. Step 3: Cross multiply
    461,596x = 636,925.52 × 308,388.56
  4. Step 4: Simplify right side
    461,596x = 196,420,543,940.05
  5. Step 5: Solve for x
    x = 196,420,543,940.05/461,596
  6. Step 6: Final answer
    x = 425,524.80

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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.