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Finding the Fourth Proportional to 384,750.98, 577,188.48 and 118,511.37

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Solution

The fourth proportional to 384,750.98, 577,188.48 and 118,511.37 is: 177,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,750.98 : 577,188.48 = 118,511.37 : x
  2. Step 2: Convert to fraction form
    384,750.98/577,188.48 = 118,511.37/x
  3. Step 3: Cross multiply
    384,750.98x = 577,188.48 × 118,511.37
  4. Step 4: Simplify right side
    384,750.98x = 68,403,397,513.02
  5. Step 5: Solve for x
    x = 68,403,397,513.02/384,750.98
  6. Step 6: Final answer
    x = 177,786.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.