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Finding the Fourth Proportional to 559,085.00, 842,361.89 and 505,845.23

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Solution

The fourth proportional to 559,085.00, 842,361.89 and 505,845.23 is: 762,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,085.00 : 842,361.89 = 505,845.23 : x
  2. Step 2: Convert to fraction form
    559,085.00/842,361.89 = 505,845.23/x
  3. Step 3: Cross multiply
    559,085.00x = 842,361.89 × 505,845.23
  4. Step 4: Simplify right side
    559,085.00x = 426,104,737,249.25
  5. Step 5: Solve for x
    x = 426,104,737,249.25/559,085.00
  6. Step 6: Final answer
    x = 762,146.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.