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Finding the Fourth Proportional to 617,634.80, 925,069.80 and 507,042.80

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Solution

The fourth proportional to 617,634.80, 925,069.80 and 507,042.80 is: 759,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,634.80 : 925,069.80 = 507,042.80 : x
  2. Step 2: Convert to fraction form
    617,634.80/925,069.80 = 507,042.80/x
  3. Step 3: Cross multiply
    617,634.80x = 925,069.80 × 507,042.80
  4. Step 4: Simplify right side
    617,634.80x = 469,049,981,587.44
  5. Step 5: Solve for x
    x = 469,049,981,587.44/617,634.80
  6. Step 6: Final answer
    x = 759,429.33

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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.