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Finding the Fourth Proportional to 523,796.76, 784,743.66 and 404,046.36

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Solution

The fourth proportional to 523,796.76, 784,743.66 and 404,046.36 is: 605,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,796.76 : 784,743.66 = 404,046.36 : x
  2. Step 2: Convert to fraction form
    523,796.76/784,743.66 = 404,046.36/x
  3. Step 3: Cross multiply
    523,796.76x = 784,743.66 × 404,046.36
  4. Step 4: Simplify right side
    523,796.76x = 317,072,819,356.08
  5. Step 5: Solve for x
    x = 317,072,819,356.08/523,796.76
  6. Step 6: Final answer
    x = 605,335.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.