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Finding the Fourth Proportional to 510,312.43, 765,485.22 and 150,453.10

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Solution

The fourth proportional to 510,312.43, 765,485.22 and 150,453.10 is: 225,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,312.43 : 765,485.22 = 150,453.10 : x
  2. Step 2: Convert to fraction form
    510,312.43/765,485.22 = 150,453.10/x
  3. Step 3: Cross multiply
    510,312.43x = 765,485.22 × 150,453.10
  4. Step 4: Simplify right side
    510,312.43x = 115,169,624,144.54
  5. Step 5: Solve for x
    x = 115,169,624,144.54/510,312.43
  6. Step 6: Final answer
    x = 225,684.54

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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.