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Finding the Fourth Proportional to 545,086.06, 751,791.99 and 354,161.50

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Solution

The fourth proportional to 545,086.06, 751,791.99 and 354,161.50 is: 488,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,086.06 : 751,791.99 = 354,161.50 : x
  2. Step 2: Convert to fraction form
    545,086.06/751,791.99 = 354,161.50/x
  3. Step 3: Cross multiply
    545,086.06x = 751,791.99 × 354,161.50
  4. Step 4: Simplify right side
    545,086.06x = 266,255,778,866.39
  5. Step 5: Solve for x
    x = 266,255,778,866.39/545,086.06
  6. Step 6: Final answer
    x = 488,465.58

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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.