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Finding the Fourth Proportional to 366,957.80, 512,635 and 366,957.80

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Solution

The fourth proportional to 366,957.80, 512,635 and 366,957.80 is: 512,635

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,957.80 : 512,635 = 366,957.80 : x
  2. Step 2: Convert to fraction form
    366,957.80/512,635 = 366,957.80/x
  3. Step 3: Cross multiply
    366,957.80x = 512,635 × 366,957.80
  4. Step 4: Simplify right side
    366,957.80x = 188,115,411,803
  5. Step 5: Solve for x
    x = 188,115,411,803/366,957.80
  6. Step 6: Final answer
    x = 512,635

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.