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Finding the Fourth Proportional to 547,592.00, 755,679.58 and 305,884.76

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Solution

The fourth proportional to 547,592.00, 755,679.58 and 305,884.76 is: 422,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,592.00 : 755,679.58 = 305,884.76 : x
  2. Step 2: Convert to fraction form
    547,592.00/755,679.58 = 305,884.76/x
  3. Step 3: Cross multiply
    547,592.00x = 755,679.58 × 305,884.76
  4. Step 4: Simplify right side
    547,592.00x = 231,150,862,422.09
  5. Step 5: Solve for x
    x = 231,150,862,422.09/547,592.00
  6. Step 6: Final answer
    x = 422,122.43

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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.