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Finding the Fourth Proportional to 365,239.72, 503,944.32 and 212,186.98

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Solution

The fourth proportional to 365,239.72, 503,944.32 and 212,186.98 is: 292,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,239.72 : 503,944.32 = 212,186.98 : x
  2. Step 2: Convert to fraction form
    365,239.72/503,944.32 = 212,186.98/x
  3. Step 3: Cross multiply
    365,239.72x = 503,944.32 × 212,186.98
  4. Step 4: Simplify right side
    365,239.72x = 106,930,423,348.95
  5. Step 5: Solve for x
    x = 106,930,423,348.95/365,239.72
  6. Step 6: Final answer
    x = 292,767.78

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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.