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Finding the Fourth Proportional to 551,881.28, 760,993.44 and 372,722.24

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Solution

The fourth proportional to 551,881.28, 760,993.44 and 372,722.24 is: 513,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,881.28 : 760,993.44 = 372,722.24 : x
  2. Step 2: Convert to fraction form
    551,881.28/760,993.44 = 372,722.24/x
  3. Step 3: Cross multiply
    551,881.28x = 760,993.44 × 372,722.24
  4. Step 4: Simplify right side
    551,881.28x = 283,639,179,582.11
  5. Step 5: Solve for x
    x = 283,639,179,582.11/551,881.28
  6. Step 6: Final answer
    x = 513,949.63

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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.