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Finding the Fourth Proportional to 349,010.83, 481,560.21 and 203,750.64

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Solution

The fourth proportional to 349,010.83, 481,560.21 and 203,750.64 is: 281,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,010.83 : 481,560.21 = 203,750.64 : x
  2. Step 2: Convert to fraction form
    349,010.83/481,560.21 = 203,750.64/x
  3. Step 3: Cross multiply
    349,010.83x = 481,560.21 × 203,750.64
  4. Step 4: Simplify right side
    349,010.83x = 98,118,201,559.08
  5. Step 5: Solve for x
    x = 98,118,201,559.08/349,010.83
  6. Step 6: Final answer
    x = 281,132.26

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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.