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Finding the Fourth Proportional to 507,369.26, 760,392.90 and 282,720.62

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Solution

The fourth proportional to 507,369.26, 760,392.90 and 282,720.62 is: 423,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,369.26 : 760,392.90 = 282,720.62 : x
  2. Step 2: Convert to fraction form
    507,369.26/760,392.90 = 282,720.62/x
  3. Step 3: Cross multiply
    507,369.26x = 760,392.90 × 282,720.62
  4. Step 4: Simplify right side
    507,369.26x = 214,978,752,131.60
  5. Step 5: Solve for x
    x = 214,978,752,131.60/507,369.26
  6. Step 6: Final answer
    x = 423,712.61

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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.