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Finding the Fourth Proportional to 568,563.04, 784,611.72 and 313,916.02

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Solution

The fourth proportional to 568,563.04, 784,611.72 and 313,916.02 is: 433,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,563.04 : 784,611.72 = 313,916.02 : x
  2. Step 2: Convert to fraction form
    568,563.04/784,611.72 = 313,916.02/x
  3. Step 3: Cross multiply
    568,563.04x = 784,611.72 × 313,916.02
  4. Step 4: Simplify right side
    568,563.04x = 246,302,188,387.75
  5. Step 5: Solve for x
    x = 246,302,188,387.75/568,563.04
  6. Step 6: Final answer
    x = 433,201.20

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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.