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Finding the Fourth Proportional to 571,804.84, 789,022.98 and 317,093.80

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Solution

The fourth proportional to 571,804.84, 789,022.98 and 317,093.80 is: 437,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,804.84 : 789,022.98 = 317,093.80 : x
  2. Step 2: Convert to fraction form
    571,804.84/789,022.98 = 317,093.80/x
  3. Step 3: Cross multiply
    571,804.84x = 789,022.98 × 317,093.80
  4. Step 4: Simplify right side
    571,804.84x = 250,194,295,015.52
  5. Step 5: Solve for x
    x = 250,194,295,015.52/571,804.84
  6. Step 6: Final answer
    x = 437,551.90

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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.