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Finding the Fourth Proportional to 605,564.74, 835,639.23 and 363,857.50

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Solution

The fourth proportional to 605,564.74, 835,639.23 and 363,857.50 is: 502,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,564.74 : 835,639.23 = 363,857.50 : x
  2. Step 2: Convert to fraction form
    605,564.74/835,639.23 = 363,857.50/x
  3. Step 3: Cross multiply
    605,564.74x = 835,639.23 × 363,857.50
  4. Step 4: Simplify right side
    605,564.74x = 304,053,601,129.73
  5. Step 5: Solve for x
    x = 304,053,601,129.73/605,564.74
  6. Step 6: Final answer
    x = 502,099.25

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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.