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Finding the Fourth Proportional to 504,392.43, 696,052.04 and 274,951.83

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Solution

The fourth proportional to 504,392.43, 696,052.04 and 274,951.83 is: 379,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,392.43 : 696,052.04 = 274,951.83 : x
  2. Step 2: Convert to fraction form
    504,392.43/696,052.04 = 274,951.83/x
  3. Step 3: Cross multiply
    504,392.43x = 696,052.04 × 274,951.83
  4. Step 4: Simplify right side
    504,392.43x = 191,380,782,173.23
  5. Step 5: Solve for x
    x = 191,380,782,173.23/504,392.43
  6. Step 6: Final answer
    x = 379,428.34

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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.