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Finding the Fourth Proportional to 505,607.50, 758,536 and 150,620.14

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Solution

The fourth proportional to 505,607.50, 758,536 and 150,620.14 is: 225,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,607.50 : 758,536 = 150,620.14 : x
  2. Step 2: Convert to fraction form
    505,607.50/758,536 = 150,620.14/x
  3. Step 3: Cross multiply
    505,607.50x = 758,536 × 150,620.14
  4. Step 4: Simplify right side
    505,607.50x = 114,250,798,515.04
  5. Step 5: Solve for x
    x = 114,250,798,515.04/505,607.50
  6. Step 6: Final answer
    x = 225,967.37

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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.