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Finding the Fourth Proportional to 373,533.72, 515,475.46 and 203,766.63

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Solution

The fourth proportional to 373,533.72, 515,475.46 and 203,766.63 is: 281,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,533.72 : 515,475.46 = 203,766.63 : x
  2. Step 2: Convert to fraction form
    373,533.72/515,475.46 = 203,766.63/x
  3. Step 3: Cross multiply
    373,533.72x = 515,475.46 × 203,766.63
  4. Step 4: Simplify right side
    373,533.72x = 105,036,697,331.90
  5. Step 5: Solve for x
    x = 105,036,697,331.90/373,533.72
  6. Step 6: Final answer
    x = 281,197.36

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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.