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Finding the Fourth Proportional to 504,371.66, 696,011.92 and 274,923.90

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Solution

The fourth proportional to 504,371.66, 696,011.92 and 274,923.90 is: 379,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,371.66 : 696,011.92 = 274,923.90 : x
  2. Step 2: Convert to fraction form
    504,371.66/696,011.92 = 274,923.90/x
  3. Step 3: Cross multiply
    504,371.66x = 696,011.92 × 274,923.90
  4. Step 4: Simplify right side
    504,371.66x = 191,350,311,492.89
  5. Step 5: Solve for x
    x = 191,350,311,492.89/504,371.66
  6. Step 6: Final answer
    x = 379,383.55

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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.