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Finding the Fourth Proportional to 480,997.50, 663,774.39 and 276,973.98

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Solution

The fourth proportional to 480,997.50, 663,774.39 and 276,973.98 is: 382,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,997.50 : 663,774.39 = 276,973.98 : x
  2. Step 2: Convert to fraction form
    480,997.50/663,774.39 = 276,973.98/x
  3. Step 3: Cross multiply
    480,997.50x = 663,774.39 × 276,973.98
  4. Step 4: Simplify right side
    480,997.50x = 183,848,234,620.37
  5. Step 5: Solve for x
    x = 183,848,234,620.37/480,997.50
  6. Step 6: Final answer
    x = 382,222.85

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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.