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Finding the Fourth Proportional to 543,794.77, 815,775.14 and 277,409.94

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Solution

The fourth proportional to 543,794.77, 815,775.14 and 277,409.94 is: 416,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,794.77 : 815,775.14 = 277,409.94 : x
  2. Step 2: Convert to fraction form
    543,794.77/815,775.14 = 277,409.94/x
  3. Step 3: Cross multiply
    543,794.77x = 815,775.14 × 277,409.94
  4. Step 4: Simplify right side
    543,794.77x = 226,304,132,640.89
  5. Step 5: Solve for x
    x = 226,304,132,640.89/543,794.77
  6. Step 6: Final answer
    x = 416,157.24

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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.