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Finding the Fourth Proportional to 502,975.94, 694,119.93 and 276,627.38

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Solution

The fourth proportional to 502,975.94, 694,119.93 and 276,627.38 is: 381,753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,975.94 : 694,119.93 = 276,627.38 : x
  2. Step 2: Convert to fraction form
    502,975.94/694,119.93 = 276,627.38/x
  3. Step 3: Cross multiply
    502,975.94x = 694,119.93 × 276,627.38
  4. Step 4: Simplify right side
    502,975.94x = 192,012,577,641.68
  5. Step 5: Solve for x
    x = 192,012,577,641.68/502,975.94
  6. Step 6: Final answer
    x = 381,753.01

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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.