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Finding the Fourth Proportional to 572,006.94, 789,369.67 and 317,357.52

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Solution

The fourth proportional to 572,006.94, 789,369.67 and 317,357.52 is: 437,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,006.94 : 789,369.67 = 317,357.52 : x
  2. Step 2: Convert to fraction form
    572,006.94/789,369.67 = 317,357.52/x
  3. Step 3: Cross multiply
    572,006.94x = 789,369.67 × 317,357.52
  4. Step 4: Simplify right side
    572,006.94x = 250,512,396,887.57
  5. Step 5: Solve for x
    x = 250,512,396,887.57/572,006.94
  6. Step 6: Final answer
    x = 437,953.43

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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.