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Finding the Fourth Proportional to 507,063.63, 699,741.81 and 277,618.17

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Solution

The fourth proportional to 507,063.63, 699,741.81 and 277,618.17 is: 383,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,063.63 : 699,741.81 = 277,618.17 : x
  2. Step 2: Convert to fraction form
    507,063.63/699,741.81 = 277,618.17/x
  3. Step 3: Cross multiply
    507,063.63x = 699,741.81 × 277,618.17
  4. Step 4: Simplify right side
    507,063.63x = 194,261,040,764.69
  5. Step 5: Solve for x
    x = 194,261,040,764.69/507,063.63
  6. Step 6: Final answer
    x = 383,109.79

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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.