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Finding the Fourth Proportional to 505,677.00, 697,803.27 and 276,187.80

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Solution

The fourth proportional to 505,677.00, 697,803.27 and 276,187.80 is: 381,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,677.00 : 697,803.27 = 276,187.80 : x
  2. Step 2: Convert to fraction form
    505,677.00/697,803.27 = 276,187.80/x
  3. Step 3: Cross multiply
    505,677.00x = 697,803.27 × 276,187.80
  4. Step 4: Simplify right side
    505,677.00x = 192,724,746,321.64
  5. Step 5: Solve for x
    x = 192,724,746,321.64/505,677.00
  6. Step 6: Final answer
    x = 381,122.23

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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.