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Finding the Fourth Proportional to 883,906.93, 1,219,791.77 and 481,498.93

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Solution

The fourth proportional to 883,906.93, 1,219,791.77 and 481,498.93 is: 664,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,906.93 : 1,219,791.77 = 481,498.93 : x
  2. Step 2: Convert to fraction form
    883,906.93/1,219,791.77 = 481,498.93/x
  3. Step 3: Cross multiply
    883,906.93x = 1,219,791.77 × 481,498.93
  4. Step 4: Simplify right side
    883,906.93x = 587,328,432,077.81
  5. Step 5: Solve for x
    x = 587,328,432,077.81/883,906.93
  6. Step 6: Final answer
    x = 664,468.64

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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.