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Finding the Fourth Proportional to 277,917.36, 415,879.48 and 240,605.80

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Solution

The fourth proportional to 277,917.36, 415,879.48 and 240,605.80 is: 360,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,917.36 : 415,879.48 = 240,605.80 : x
  2. Step 2: Convert to fraction form
    277,917.36/415,879.48 = 240,605.80/x
  3. Step 3: Cross multiply
    277,917.36x = 415,879.48 × 240,605.80
  4. Step 4: Simplify right side
    277,917.36x = 100,063,014,988.98
  5. Step 5: Solve for x
    x = 100,063,014,988.98/277,917.36
  6. Step 6: Final answer
    x = 360,045.93

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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.