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Finding the Fourth Proportional to 547,588.72, 755,597.73 and 305,840.44

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Solution

The fourth proportional to 547,588.72, 755,597.73 and 305,840.44 is: 422,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,588.72 : 755,597.73 = 305,840.44 : x
  2. Step 2: Convert to fraction form
    547,588.72/755,597.73 = 305,840.44/x
  3. Step 3: Cross multiply
    547,588.72x = 755,597.73 × 305,840.44
  4. Step 4: Simplify right side
    547,588.72x = 231,092,342,206.20
  5. Step 5: Solve for x
    x = 231,092,342,206.20/547,588.72
  6. Step 6: Final answer
    x = 422,018.08

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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.