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Finding the Fourth Proportional to 384,782.88, 577,250.87 and 118,532.04

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Solution

The fourth proportional to 384,782.88, 577,250.87 and 118,532.04 is: 177,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,782.88 : 577,250.87 = 118,532.04 : x
  2. Step 2: Convert to fraction form
    384,782.88/577,250.87 = 118,532.04/x
  3. Step 3: Cross multiply
    384,782.88x = 577,250.87 × 118,532.04
  4. Step 4: Simplify right side
    384,782.88x = 68,422,723,212.87
  5. Step 5: Solve for x
    x = 68,422,723,212.87/384,782.88
  6. Step 6: Final answer
    x = 177,821.64

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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.