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Finding the Fourth Proportional to 384,922.93, 577,347.29 and 118,611.94

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Solution

The fourth proportional to 384,922.93, 577,347.29 and 118,611.94 is: 177,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,922.93 : 577,347.29 = 118,611.94 : x
  2. Step 2: Convert to fraction form
    384,922.93/577,347.29 = 118,611.94/x
  3. Step 3: Cross multiply
    384,922.93x = 577,347.29 × 118,611.94
  4. Step 4: Simplify right side
    384,922.93x = 68,480,282,120.64
  5. Step 5: Solve for x
    x = 68,480,282,120.64/384,922.93
  6. Step 6: Final answer
    x = 177,906.48

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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.