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Finding the Fourth Proportional to 605,501.82, 906,628.46 and 338,501.92

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Solution

The fourth proportional to 605,501.82, 906,628.46 and 338,501.92 is: 506,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,501.82 : 906,628.46 = 338,501.92 : x
  2. Step 2: Convert to fraction form
    605,501.82/906,628.46 = 338,501.92/x
  3. Step 3: Cross multiply
    605,501.82x = 906,628.46 × 338,501.92
  4. Step 4: Simplify right side
    605,501.82x = 306,895,474,436.64
  5. Step 5: Solve for x
    x = 306,895,474,436.64/605,501.82
  6. Step 6: Final answer
    x = 506,844.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.