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Finding the Fourth Proportional to 373,533.50, 515,477.76 and 203,771.18

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Solution

The fourth proportional to 373,533.50, 515,477.76 and 203,771.18 is: 281,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,533.50 : 515,477.76 = 203,771.18 : x
  2. Step 2: Convert to fraction form
    373,533.50/515,477.76 = 203,771.18/x
  3. Step 3: Cross multiply
    373,533.50x = 515,477.76 × 203,771.18
  4. Step 4: Simplify right side
    373,533.50x = 105,039,511,418.96
  5. Step 5: Solve for x
    x = 105,039,511,418.96/373,533.50
  6. Step 6: Final answer
    x = 281,205.06

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1.5x scale

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.