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Finding the Fourth Proportional to 505,930.60, 758,798.70 and 150,956.20

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Solution

The fourth proportional to 505,930.60, 758,798.70 and 150,956.20 is: 226,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,930.60 : 758,798.70 = 150,956.20 : x
  2. Step 2: Convert to fraction form
    505,930.60/758,798.70 = 150,956.20/x
  3. Step 3: Cross multiply
    505,930.60x = 758,798.70 × 150,956.20
  4. Step 4: Simplify right side
    505,930.60x = 114,545,368,316.94
  5. Step 5: Solve for x
    x = 114,545,368,316.94/505,930.60
  6. Step 6: Final answer
    x = 226,405.30

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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.