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Finding the Fourth Proportional to 504,372.28, 696,029.55 and 274,925.38

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Solution

The fourth proportional to 504,372.28, 696,029.55 and 274,925.38 is: 379,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,372.28 : 696,029.55 = 274,925.38 : x
  2. Step 2: Convert to fraction form
    504,372.28/696,029.55 = 274,925.38/x
  3. Step 3: Cross multiply
    504,372.28x = 696,029.55 × 274,925.38
  4. Step 4: Simplify right side
    504,372.28x = 191,356,188,524.98
  5. Step 5: Solve for x
    x = 191,356,188,524.98/504,372.28
  6. Step 6: Final answer
    x = 379,394.74

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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.