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Finding the Fourth Proportional to 353,165.46, 529,736.48 and 153,486.09

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Solution

The fourth proportional to 353,165.46, 529,736.48 and 153,486.09 is: 230,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,165.46 : 529,736.48 = 153,486.09 : x
  2. Step 2: Convert to fraction form
    353,165.46/529,736.48 = 153,486.09/x
  3. Step 3: Cross multiply
    353,165.46x = 529,736.48 × 153,486.09
  4. Step 4: Simplify right side
    353,165.46x = 81,307,181,045.56
  5. Step 5: Solve for x
    x = 81,307,181,045.56/353,165.46
  6. Step 6: Final answer
    x = 230,224.05

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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.