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Finding the Fourth Proportional to 572,006.69, 789,369.33 and 317,357.27

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Solution

The fourth proportional to 572,006.69, 789,369.33 and 317,357.27 is: 437,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,006.69 : 789,369.33 = 317,357.27 : x
  2. Step 2: Convert to fraction form
    572,006.69/789,369.33 = 317,357.27/x
  3. Step 3: Cross multiply
    572,006.69x = 789,369.33 × 317,357.27
  4. Step 4: Simplify right side
    572,006.69x = 250,512,091,643.68
  5. Step 5: Solve for x
    x = 250,512,091,643.68/572,006.69
  6. Step 6: Final answer
    x = 437,953.08

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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.