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Finding the Fourth Proportional to 568,529.04, 784,571.24 and 313,880.72

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Solution

The fourth proportional to 568,529.04, 784,571.24 and 313,880.72 is: 433,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,529.04 : 784,571.24 = 313,880.72 : x
  2. Step 2: Convert to fraction form
    568,529.04/784,571.24 = 313,880.72/x
  3. Step 3: Cross multiply
    568,529.04x = 784,571.24 × 313,880.72
  4. Step 4: Simplify right side
    568,529.04x = 246,261,785,702.49
  5. Step 5: Solve for x
    x = 246,261,785,702.49/568,529.04
  6. Step 6: Final answer
    x = 433,156.04

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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.