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Finding the Fourth Proportional to 504,371.28, 696,028.17 and 274,924.38

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Solution

The fourth proportional to 504,371.28, 696,028.17 and 274,924.38 is: 379,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,371.28 : 696,028.17 = 274,924.38 : x
  2. Step 2: Convert to fraction form
    504,371.28/696,028.17 = 274,924.38/x
  3. Step 3: Cross multiply
    504,371.28x = 696,028.17 × 274,924.38
  4. Step 4: Simplify right side
    504,371.28x = 191,355,113,099.79
  5. Step 5: Solve for x
    x = 191,355,113,099.79/504,371.28
  6. Step 6: Final answer
    x = 379,393.36

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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.