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Finding the Fourth Proportional to 504,491.82, 695,475.07 and 396,874.81

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Solution

The fourth proportional to 504,491.82, 695,475.07 and 396,874.81 is: 547,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,491.82 : 695,475.07 = 396,874.81 : x
  2. Step 2: Convert to fraction form
    504,491.82/695,475.07 = 396,874.81/x
  3. Step 3: Cross multiply
    504,491.82x = 695,475.07 × 396,874.81
  4. Step 4: Simplify right side
    504,491.82x = 276,016,536,265.99
  5. Step 5: Solve for x
    x = 276,016,536,265.99/504,491.82
  6. Step 6: Final answer
    x = 547,117.96

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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.