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Finding the Fourth Proportional to 502,507.76, 693,463.52 and 273,066.95

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Solution

The fourth proportional to 502,507.76, 693,463.52 and 273,066.95 is: 376,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,507.76 : 693,463.52 = 273,066.95 : x
  2. Step 2: Convert to fraction form
    502,507.76/693,463.52 = 273,066.95/x
  3. Step 3: Cross multiply
    502,507.76x = 693,463.52 × 273,066.95
  4. Step 4: Simplify right side
    502,507.76x = 189,361,965,558.01
  5. Step 5: Solve for x
    x = 189,361,965,558.01/502,507.76
  6. Step 6: Final answer
    x = 376,833.92

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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.