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Finding the Fourth Proportional to 502,529.87, 693,494.06 and 273,089.07

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Solution

The fourth proportional to 502,529.87, 693,494.06 and 273,089.07 is: 376,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,529.87 : 693,494.06 = 273,089.07 : x
  2. Step 2: Convert to fraction form
    502,529.87/693,494.06 = 273,089.07/x
  3. Step 3: Cross multiply
    502,529.87x = 693,494.06 × 273,089.07
  4. Step 4: Simplify right side
    502,529.87x = 189,385,646,530.48
  5. Step 5: Solve for x
    x = 189,385,646,530.48/502,529.87
  6. Step 6: Final answer
    x = 376,864.46

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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.