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Finding the Fourth Proportional to 519,466.98, 779,222.70 and 203,992.14

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Solution

The fourth proportional to 519,466.98, 779,222.70 and 203,992.14 is: 305,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,466.98 : 779,222.70 = 203,992.14 : x
  2. Step 2: Convert to fraction form
    519,466.98/779,222.70 = 203,992.14/x
  3. Step 3: Cross multiply
    519,466.98x = 779,222.70 × 203,992.14
  4. Step 4: Simplify right side
    519,466.98x = 158,955,306,109.58
  5. Step 5: Solve for x
    x = 158,955,306,109.58/519,466.98
  6. Step 6: Final answer
    x = 305,996.94

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1.5x scale

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.