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Finding the Fourth Proportional to 336,115.56, 463,817.64 and 185,212.56

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Solution

The fourth proportional to 336,115.56, 463,817.64 and 185,212.56 is: 255,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,115.56 : 463,817.64 = 185,212.56 : x
  2. Step 2: Convert to fraction form
    336,115.56/463,817.64 = 185,212.56/x
  3. Step 3: Cross multiply
    336,115.56x = 463,817.64 × 185,212.56
  4. Step 4: Simplify right side
    336,115.56x = 85,904,852,477.56
  5. Step 5: Solve for x
    x = 85,904,852,477.56/336,115.56
  6. Step 6: Final answer
    x = 255,581.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.