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Finding the Fourth Proportional to 373,643.24, 515,626.68 and 203,877.24

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Solution

The fourth proportional to 373,643.24, 515,626.68 and 203,877.24 is: 281,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,643.24 : 515,626.68 = 203,877.24 : x
  2. Step 2: Convert to fraction form
    373,643.24/515,626.68 = 203,877.24/x
  3. Step 3: Cross multiply
    373,643.24x = 515,626.68 × 203,877.24
  4. Step 4: Simplify right side
    373,643.24x = 105,124,544,388.76
  5. Step 5: Solve for x
    x = 105,124,544,388.76/373,643.24
  6. Step 6: Final answer
    x = 281,350.05

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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.