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Finding the Fourth Proportional to 675,886.67, 932,660.29 and 403,900.41

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Solution

The fourth proportional to 675,886.67, 932,660.29 and 403,900.41 is: 557,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,886.67 : 932,660.29 = 403,900.41 : x
  2. Step 2: Convert to fraction form
    675,886.67/932,660.29 = 403,900.41/x
  3. Step 3: Cross multiply
    675,886.67x = 932,660.29 × 403,900.41
  4. Step 4: Simplify right side
    675,886.67x = 376,701,873,521.72
  5. Step 5: Solve for x
    x = 376,701,873,521.72/675,886.67
  6. Step 6: Final answer
    x = 557,344.73

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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.