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Finding the Fourth Proportional to 735,634.88, 1,015,640.88 and 481,415.84

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Solution

The fourth proportional to 735,634.88, 1,015,640.88 and 481,415.84 is: 664,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,634.88 : 1,015,640.88 = 481,415.84 : x
  2. Step 2: Convert to fraction form
    735,634.88/1,015,640.88 = 481,415.84/x
  3. Step 3: Cross multiply
    735,634.88x = 1,015,640.88 × 481,415.84
  4. Step 4: Simplify right side
    735,634.88x = 488,945,607,383.54
  5. Step 5: Solve for x
    x = 488,945,607,383.54/735,634.88
  6. Step 6: Final answer
    x = 664,658.00

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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.