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Finding the Fourth Proportional to 502,618.30, 693,618.58 and 273,175.61

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Solution

The fourth proportional to 502,618.30, 693,618.58 and 273,175.61 is: 376,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,618.30 : 693,618.58 = 273,175.61 : x
  2. Step 2: Convert to fraction form
    502,618.30/693,618.58 = 273,175.61/x
  3. Step 3: Cross multiply
    502,618.30x = 693,618.58 × 273,175.61
  4. Step 4: Simplify right side
    502,618.30x = 189,479,677,515.51
  5. Step 5: Solve for x
    x = 189,479,677,515.51/502,618.30
  6. Step 6: Final answer
    x = 376,985.23

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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.