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Finding the Fourth Proportional to 336,543.26, 504,705.60 and 111,843.32

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Solution

The fourth proportional to 336,543.26, 504,705.60 and 111,843.32 is: 167,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,543.26 : 504,705.60 = 111,843.32 : x
  2. Step 2: Convert to fraction form
    336,543.26/504,705.60 = 111,843.32/x
  3. Step 3: Cross multiply
    336,543.26x = 504,705.60 × 111,843.32
  4. Step 4: Simplify right side
    336,543.26x = 56,447,949,926.59
  5. Step 5: Solve for x
    x = 56,447,949,926.59/336,543.26
  6. Step 6: Final answer
    x = 167,728.66

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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.