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Finding the Fourth Proportional to 605,783.02, 835,986.28 and 333,860.72

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Solution

The fourth proportional to 605,783.02, 835,986.28 and 333,860.72 is: 460,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,783.02 : 835,986.28 = 333,860.72 : x
  2. Step 2: Convert to fraction form
    605,783.02/835,986.28 = 333,860.72/x
  3. Step 3: Cross multiply
    605,783.02x = 835,986.28 × 333,860.72
  4. Step 4: Simplify right side
    605,783.02x = 279,102,981,350.92
  5. Step 5: Solve for x
    x = 279,102,981,350.92/605,783.02
  6. Step 6: Final answer
    x = 460,730.94

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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.