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Finding the Fourth Proportional to 373,577.61, 515,535.33 and 203,811.75

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Solution

The fourth proportional to 373,577.61, 515,535.33 and 203,811.75 is: 281,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,577.61 : 515,535.33 = 203,811.75 : x
  2. Step 2: Convert to fraction form
    373,577.61/515,535.33 = 203,811.75/x
  3. Step 3: Cross multiply
    373,577.61x = 515,535.33 × 203,811.75
  4. Step 4: Simplify right side
    373,577.61x = 105,072,157,794.13
  5. Step 5: Solve for x
    x = 105,072,157,794.13/373,577.61
  6. Step 6: Final answer
    x = 281,259.25

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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.