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Finding the Fourth Proportional to 543,794.52, 815,774.76 and 277,409.69

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Solution

The fourth proportional to 543,794.52, 815,774.76 and 277,409.69 is: 416,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,794.52 : 815,774.76 = 277,409.69 : x
  2. Step 2: Convert to fraction form
    543,794.52/815,774.76 = 277,409.69/x
  3. Step 3: Cross multiply
    543,794.52x = 815,774.76 × 277,409.69
  4. Step 4: Simplify right side
    543,794.52x = 226,303,819,202.55
  5. Step 5: Solve for x
    x = 226,303,819,202.55/543,794.52
  6. Step 6: Final answer
    x = 416,156.86

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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.