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Finding the Fourth Proportional to 286,365.66, 396,040.91 and 250,493.33

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Solution

The fourth proportional to 286,365.66, 396,040.91 and 250,493.33 is: 346,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,365.66 : 396,040.91 = 250,493.33 : x
  2. Step 2: Convert to fraction form
    286,365.66/396,040.91 = 250,493.33/x
  3. Step 3: Cross multiply
    286,365.66x = 396,040.91 × 250,493.33
  4. Step 4: Simplify right side
    286,365.66x = 99,205,603,129.46
  5. Step 5: Solve for x
    x = 99,205,603,129.46/286,365.66
  6. Step 6: Final answer
    x = 346,429.82

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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.