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Finding the Fourth Proportional to 577,136.10, 865,704.15 and 577,136.10

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Solution

The fourth proportional to 577,136.10, 865,704.15 and 577,136.10 is: 865,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,136.10 : 865,704.15 = 577,136.10 : x
  2. Step 2: Convert to fraction form
    577,136.10/865,704.15 = 577,136.10/x
  3. Step 3: Cross multiply
    577,136.10x = 865,704.15 × 577,136.10
  4. Step 4: Simplify right side
    577,136.10x = 499,629,116,884.82
  5. Step 5: Solve for x
    x = 499,629,116,884.82/577,136.10
  6. Step 6: Final answer
    x = 865,704.15

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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.