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Finding the Fourth Proportional to 502,787.16, 693,859.95 and 273,359.88

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Solution

The fourth proportional to 502,787.16, 693,859.95 and 273,359.88 is: 377,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,787.16 : 693,859.95 = 273,359.88 : x
  2. Step 2: Convert to fraction form
    502,787.16/693,859.95 = 273,359.88/x
  3. Step 3: Cross multiply
    502,787.16x = 693,859.95 × 273,359.88
  4. Step 4: Simplify right side
    502,787.16x = 189,673,472,668.81
  5. Step 5: Solve for x
    x = 189,673,472,668.81/502,787.16
  6. Step 6: Final answer
    x = 377,244.07

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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.