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Finding the Fourth Proportional to 605,007.12, 834,896.68 and 333,064.61

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Solution

The fourth proportional to 605,007.12, 834,896.68 and 333,064.61 is: 459,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,007.12 : 834,896.68 = 333,064.61 : x
  2. Step 2: Convert to fraction form
    605,007.12/834,896.68 = 333,064.61/x
  3. Step 3: Cross multiply
    605,007.12x = 834,896.68 × 333,064.61
  4. Step 4: Simplify right side
    605,007.12x = 278,074,537,114.50
  5. Step 5: Solve for x
    x = 278,074,537,114.50/605,007.12
  6. Step 6: Final answer
    x = 459,621.92

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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.