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Finding the Fourth Proportional to 660,184.52, 911,076.22 and 373,698.44

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Solution

The fourth proportional to 660,184.52, 911,076.22 and 373,698.44 is: 515,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,184.52 : 911,076.22 = 373,698.44 : x
  2. Step 2: Convert to fraction form
    660,184.52/911,076.22 = 373,698.44/x
  3. Step 3: Cross multiply
    660,184.52x = 911,076.22 × 373,698.44
  4. Step 4: Simplify right side
    660,184.52x = 340,467,762,135.10
  5. Step 5: Solve for x
    x = 340,467,762,135.10/660,184.52
  6. Step 6: Final answer
    x = 515,716.06

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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.