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Finding the Fourth Proportional to 526,578.41, 726,676.00 and 284,860.38

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Solution

The fourth proportional to 526,578.41, 726,676.00 and 284,860.38 is: 393,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,578.41 : 726,676.00 = 284,860.38 : x
  2. Step 2: Convert to fraction form
    526,578.41/726,676.00 = 284,860.38/x
  3. Step 3: Cross multiply
    526,578.41x = 726,676.00 × 284,860.38
  4. Step 4: Simplify right side
    526,578.41x = 207,001,200,784.73
  5. Step 5: Solve for x
    x = 207,001,200,784.73/526,578.41
  6. Step 6: Final answer
    x = 393,106.13

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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.