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Finding the Fourth Proportional to 723,766.84, 998,794.56 and 401,473.60

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Solution

The fourth proportional to 723,766.84, 998,794.56 and 401,473.60 is: 554,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,766.84 : 998,794.56 = 401,473.60 : x
  2. Step 2: Convert to fraction form
    723,766.84/998,794.56 = 401,473.60/x
  3. Step 3: Cross multiply
    723,766.84x = 998,794.56 × 401,473.60
  4. Step 4: Simplify right side
    723,766.84x = 400,989,647,663.62
  5. Step 5: Solve for x
    x = 400,989,647,663.62/723,766.84
  6. Step 6: Final answer
    x = 554,031.53

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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.