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Finding the Fourth Proportional to 888,481.48, 1,330,586.70 and 508,249.48

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Solution

The fourth proportional to 888,481.48, 1,330,586.70 and 508,249.48 is: 761,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,481.48 : 1,330,586.70 = 508,249.48 : x
  2. Step 2: Convert to fraction form
    888,481.48/1,330,586.70 = 508,249.48/x
  3. Step 3: Cross multiply
    888,481.48x = 1,330,586.70 × 508,249.48
  4. Step 4: Simplify right side
    888,481.48x = 676,269,998,369.92
  5. Step 5: Solve for x
    x = 676,269,998,369.92/888,481.48
  6. Step 6: Final answer
    x = 761,152.61

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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.