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Finding the Fourth Proportional to 502,681.28, 693,694.56 and 273,233.60

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Solution

The fourth proportional to 502,681.28, 693,694.56 and 273,233.60 is: 377,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,681.28 : 693,694.56 = 273,233.60 : x
  2. Step 2: Convert to fraction form
    502,681.28/693,694.56 = 273,233.60/x
  3. Step 3: Cross multiply
    502,681.28x = 693,694.56 × 273,233.60
  4. Step 4: Simplify right side
    502,681.28x = 189,540,661,929.22
  5. Step 5: Solve for x
    x = 189,540,661,929.22/502,681.28
  6. Step 6: Final answer
    x = 377,059.32

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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.