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Finding the Fourth Proportional to 546,188.22, 819,399.37 and 191,213.82

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Solution

The fourth proportional to 546,188.22, 819,399.37 and 191,213.82 is: 286,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,188.22 : 819,399.37 = 191,213.82 : x
  2. Step 2: Convert to fraction form
    546,188.22/819,399.37 = 191,213.82/x
  3. Step 3: Cross multiply
    546,188.22x = 819,399.37 × 191,213.82
  4. Step 4: Simplify right side
    546,188.22x = 156,680,478,590.23
  5. Step 5: Solve for x
    x = 156,680,478,590.23/546,188.22
  6. Step 6: Final answer
    x = 286,861.70

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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.