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Finding the Fourth Proportional to 547,226.96, 755,141.47 and 305,524.71

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Solution

The fourth proportional to 547,226.96, 755,141.47 and 305,524.71 is: 421,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,226.96 : 755,141.47 = 305,524.71 : x
  2. Step 2: Convert to fraction form
    547,226.96/755,141.47 = 305,524.71/x
  3. Step 3: Cross multiply
    547,226.96x = 755,141.47 × 305,524.71
  4. Step 4: Simplify right side
    547,226.96x = 230,714,377,866.91
  5. Step 5: Solve for x
    x = 230,714,377,866.91/547,226.96
  6. Step 6: Final answer
    x = 421,606.38

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1.5x scale

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.