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Finding the Fourth Proportional to 547,571.34, 819,358.74 and 323,039.34

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Solution

The fourth proportional to 547,571.34, 819,358.74 and 323,039.34 is: 483,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,571.34 : 819,358.74 = 323,039.34 : x
  2. Step 2: Convert to fraction form
    547,571.34/819,358.74 = 323,039.34/x
  3. Step 3: Cross multiply
    547,571.34x = 819,358.74 × 323,039.34
  4. Step 4: Simplify right side
    547,571.34x = 264,685,106,592.83
  5. Step 5: Solve for x
    x = 264,685,106,592.83/547,571.34
  6. Step 6: Final answer
    x = 483,380.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.