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Finding the Fourth Proportional to 235,296.54, 324,485.73 and 154,792.26

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Solution

The fourth proportional to 235,296.54, 324,485.73 and 154,792.26 is: 213,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,296.54 : 324,485.73 = 154,792.26 : x
  2. Step 2: Convert to fraction form
    235,296.54/324,485.73 = 154,792.26/x
  3. Step 3: Cross multiply
    235,296.54x = 324,485.73 × 154,792.26
  4. Step 4: Simplify right side
    235,296.54x = 50,227,879,484.45
  5. Step 5: Solve for x
    x = 50,227,879,484.45/235,296.54
  6. Step 6: Final answer
    x = 213,466.29

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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.