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Finding the Fourth Proportional to 336,384.80, 504,662.40 and 111,746.33

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Solution

The fourth proportional to 336,384.80, 504,662.40 and 111,746.33 is: 167,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,384.80 : 504,662.40 = 111,746.33 : x
  2. Step 2: Convert to fraction form
    336,384.80/504,662.40 = 111,746.33/x
  3. Step 3: Cross multiply
    336,384.80x = 504,662.40 × 111,746.33
  4. Step 4: Simplify right side
    336,384.80x = 56,394,173,296.89
  5. Step 5: Solve for x
    x = 56,394,173,296.89/336,384.80
  6. Step 6: Final answer
    x = 167,647.81

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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.