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Finding the Fourth Proportional to 547,551.82, 821,842.97 and 277,873.59

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Solution

The fourth proportional to 547,551.82, 821,842.97 and 277,873.59 is: 417,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,551.82 : 821,842.97 = 277,873.59 : x
  2. Step 2: Convert to fraction form
    547,551.82/821,842.97 = 277,873.59/x
  3. Step 3: Cross multiply
    547,551.82x = 821,842.97 × 277,873.59
  4. Step 4: Simplify right side
    547,551.82x = 228,368,456,490.16
  5. Step 5: Solve for x
    x = 228,368,456,490.16/547,551.82
  6. Step 6: Final answer
    x = 417,071.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.