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Finding the Fourth Proportional to 235,454.55, 353,181.83 and 218,174.55

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Solution

The fourth proportional to 235,454.55, 353,181.83 and 218,174.55 is: 327,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,454.55 : 353,181.83 = 218,174.55 : x
  2. Step 2: Convert to fraction form
    235,454.55/353,181.83 = 218,174.55/x
  3. Step 3: Cross multiply
    235,454.55x = 353,181.83 × 218,174.55
  4. Step 4: Simplify right side
    235,454.55x = 77,055,285,737.55
  5. Step 5: Solve for x
    x = 77,055,285,737.55/235,454.55
  6. Step 6: Final answer
    x = 327,261.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.