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Finding the Fourth Proportional to 437,597.40, 656,021.66 and 167,919.06

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Solution

The fourth proportional to 437,597.40, 656,021.66 and 167,919.06 is: 251,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,597.40 : 656,021.66 = 167,919.06 : x
  2. Step 2: Convert to fraction form
    437,597.40/656,021.66 = 167,919.06/x
  3. Step 3: Cross multiply
    437,597.40x = 656,021.66 × 167,919.06
  4. Step 4: Simplify right side
    437,597.40x = 110,158,540,486.84
  5. Step 5: Solve for x
    x = 110,158,540,486.84/437,597.40
  6. Step 6: Final answer
    x = 251,734.91

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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.