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Finding the Fourth Proportional to 579,273.35, 867,778.82 and 275,234.81

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Solution

The fourth proportional to 579,273.35, 867,778.82 and 275,234.81 is: 412,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,273.35 : 867,778.82 = 275,234.81 : x
  2. Step 2: Convert to fraction form
    579,273.35/867,778.82 = 275,234.81/x
  3. Step 3: Cross multiply
    579,273.35x = 867,778.82 × 275,234.81
  4. Step 4: Simplify right side
    579,273.35x = 238,842,932,929.66
  5. Step 5: Solve for x
    x = 238,842,932,929.66/579,273.35
  6. Step 6: Final answer
    x = 412,314.73

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1.5x scale

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.