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Finding the Fourth Proportional to 365,238.72, 503,942.94 and 212,185.98

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Solution

The fourth proportional to 365,238.72, 503,942.94 and 212,185.98 is: 292,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,238.72 : 503,942.94 = 212,185.98 : x
  2. Step 2: Convert to fraction form
    365,238.72/503,942.94 = 212,185.98/x
  3. Step 3: Cross multiply
    365,238.72x = 503,942.94 × 212,185.98
  4. Step 4: Simplify right side
    365,238.72x = 106,929,626,587.98
  5. Step 5: Solve for x
    x = 106,929,626,587.98/365,238.72
  6. Step 6: Final answer
    x = 292,766.40

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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.