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Finding the Fourth Proportional to 373,580.88, 515,584.62 and 208,025.52

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Solution

The fourth proportional to 373,580.88, 515,584.62 and 208,025.52 is: 287,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,580.88 : 515,584.62 = 208,025.52 : x
  2. Step 2: Convert to fraction form
    373,580.88/515,584.62 = 208,025.52/x
  3. Step 3: Cross multiply
    373,580.88x = 515,584.62 × 208,025.52
  4. Step 4: Simplify right side
    373,580.88x = 107,254,758,679.50
  5. Step 5: Solve for x
    x = 107,254,758,679.50/373,580.88
  6. Step 6: Final answer
    x = 287,099.16

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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.