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Finding the Fourth Proportional to 365,153.12, 503,824.95 and 212,100.37

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Solution

The fourth proportional to 365,153.12, 503,824.95 and 212,100.37 is: 292,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,153.12 : 503,824.95 = 212,100.37 : x
  2. Step 2: Convert to fraction form
    365,153.12/503,824.95 = 212,100.37/x
  3. Step 3: Cross multiply
    365,153.12x = 503,824.95 × 212,100.37
  4. Step 4: Simplify right side
    365,153.12x = 106,861,457,249.73
  5. Step 5: Solve for x
    x = 106,861,457,249.73/365,153.12
  6. Step 6: Final answer
    x = 292,648.35

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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.