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Finding the Fourth Proportional to 314,633.88, 434,183.93 and 178,665.36

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Solution

The fourth proportional to 314,633.88, 434,183.93 and 178,665.36 is: 246,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,633.88 : 434,183.93 = 178,665.36 : x
  2. Step 2: Convert to fraction form
    314,633.88/434,183.93 = 178,665.36/x
  3. Step 3: Cross multiply
    314,633.88x = 434,183.93 × 178,665.36
  4. Step 4: Simplify right side
    314,633.88x = 77,573,626,308.14
  5. Step 5: Solve for x
    x = 77,573,626,308.14/314,633.88
  6. Step 6: Final answer
    x = 246,552.04

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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.