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Finding the Fourth Proportional to 277,843.89, 414,325.53 and 275,317.77

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Solution

The fourth proportional to 277,843.89, 414,325.53 and 275,317.77 is: 410,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,843.89 : 414,325.53 = 275,317.77 : x
  2. Step 2: Convert to fraction form
    277,843.89/414,325.53 = 275,317.77/x
  3. Step 3: Cross multiply
    277,843.89x = 414,325.53 × 275,317.77
  4. Step 4: Simplify right side
    277,843.89x = 114,071,180,973.67
  5. Step 5: Solve for x
    x = 114,071,180,973.67/277,843.89
  6. Step 6: Final answer
    x = 410,558.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.