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Finding the Fourth Proportional to 568,503.54, 784,529.82 and 313,849.26

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Solution

The fourth proportional to 568,503.54, 784,529.82 and 313,849.26 is: 433,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,503.54 : 784,529.82 = 313,849.26 : x
  2. Step 2: Convert to fraction form
    568,503.54/784,529.82 = 313,849.26/x
  3. Step 3: Cross multiply
    568,503.54x = 784,529.82 × 313,849.26
  4. Step 4: Simplify right side
    568,503.54x = 246,224,103,454.93
  5. Step 5: Solve for x
    x = 246,224,103,454.93/568,503.54
  6. Step 6: Final answer
    x = 433,109.18

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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.