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Finding the Fourth Proportional to 426,894.73, 589,064.56 and 235,896.73

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Solution

The fourth proportional to 426,894.73, 589,064.56 and 235,896.73 is: 325,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,894.73 : 589,064.56 = 235,896.73 : x
  2. Step 2: Convert to fraction form
    426,894.73/589,064.56 = 235,896.73/x
  3. Step 3: Cross multiply
    426,894.73x = 589,064.56 × 235,896.73
  4. Step 4: Simplify right side
    426,894.73x = 138,958,401,400.49
  5. Step 5: Solve for x
    x = 138,958,401,400.49/426,894.73
  6. Step 6: Final answer
    x = 325,509.76

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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.