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Finding the Fourth Proportional to 365,010.26, 547,420.35 and 154,539.86

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Solution

The fourth proportional to 365,010.26, 547,420.35 and 154,539.86 is: 231,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,010.26 : 547,420.35 = 154,539.86 : x
  2. Step 2: Convert to fraction form
    365,010.26/547,420.35 = 154,539.86/x
  3. Step 3: Cross multiply
    365,010.26x = 547,420.35 × 154,539.86
  4. Step 4: Simplify right side
    365,010.26x = 84,598,264,250.15
  5. Step 5: Solve for x
    x = 84,598,264,250.15/365,010.26
  6. Step 6: Final answer
    x = 231,769.55

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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.