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Finding the Fourth Proportional to 545,087.06, 751,793.37 and 354,162.50

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Solution

The fourth proportional to 545,087.06, 751,793.37 and 354,162.50 is: 488,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,087.06 : 751,793.37 = 354,162.50 : x
  2. Step 2: Convert to fraction form
    545,087.06/751,793.37 = 354,162.50/x
  3. Step 3: Cross multiply
    545,087.06x = 751,793.37 × 354,162.50
  4. Step 4: Simplify right side
    545,087.06x = 266,257,019,402.63
  5. Step 5: Solve for x
    x = 266,257,019,402.63/545,087.06
  6. Step 6: Final answer
    x = 488,466.96

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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.