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Finding the Fourth Proportional to 504,559.81, 695,569.04 and 396,942.94

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Solution

The fourth proportional to 504,559.81, 695,569.04 and 396,942.94 is: 547,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,559.81 : 695,569.04 = 396,942.94 : x
  2. Step 2: Convert to fraction form
    504,559.81/695,569.04 = 396,942.94/x
  3. Step 3: Cross multiply
    504,559.81x = 695,569.04 × 396,942.94
  4. Step 4: Simplify right side
    504,559.81x = 276,101,216,232.73
  5. Step 5: Solve for x
    x = 276,101,216,232.73/504,559.81
  6. Step 6: Final answer
    x = 547,212.07

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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.