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Finding the Fourth Proportional to 547,560.92, 755,626.11 and 305,846.93

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Solution

The fourth proportional to 547,560.92, 755,626.11 and 305,846.93 is: 422,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,560.92 : 755,626.11 = 305,846.93 : x
  2. Step 2: Convert to fraction form
    547,560.92/755,626.11 = 305,846.93/x
  3. Step 3: Cross multiply
    547,560.92x = 755,626.11 × 305,846.93
  4. Step 4: Simplify right side
    547,560.92x = 231,105,925,971.34
  5. Step 5: Solve for x
    x = 231,105,925,971.34/547,560.92
  6. Step 6: Final answer
    x = 422,064.32

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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.