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Finding the Fourth Proportional to 373,670.93, 515,678.37 and 203,914.37

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Solution

The fourth proportional to 373,670.93, 515,678.37 and 203,914.37 is: 281,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,670.93 : 515,678.37 = 203,914.37 : x
  2. Step 2: Convert to fraction form
    373,670.93/515,678.37 = 203,914.37/x
  3. Step 3: Cross multiply
    373,670.93x = 515,678.37 × 203,914.37
  4. Step 4: Simplify right side
    373,670.93x = 105,154,229,941.18
  5. Step 5: Solve for x
    x = 105,154,229,941.18/373,670.93
  6. Step 6: Final answer
    x = 281,408.64

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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.