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Finding the Fourth Proportional to 503,213.04, 694,447.20 and 273,784.68

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Solution

The fourth proportional to 503,213.04, 694,447.20 and 273,784.68 is: 377,830.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,213.04 : 694,447.20 = 273,784.68 : x
  2. Step 2: Convert to fraction form
    503,213.04/694,447.20 = 273,784.68/x
  3. Step 3: Cross multiply
    503,213.04x = 694,447.20 × 273,784.68
  4. Step 4: Simplify right side
    503,213.04x = 190,129,004,428.90
  5. Step 5: Solve for x
    x = 190,129,004,428.90/503,213.04
  6. Step 6: Final answer
    x = 377,830.04

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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.