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Finding the Fourth Proportional to 319,059, 440,033.04 and 191,709.99

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Solution

The fourth proportional to 319,059, 440,033.04 and 191,709.99 is: 264,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,059 : 440,033.04 = 191,709.99 : x
  2. Step 2: Convert to fraction form
    319,059/440,033.04 = 191,709.99/x
  3. Step 3: Cross multiply
    319,059x = 440,033.04 × 191,709.99
  4. Step 4: Simplify right side
    319,059x = 84,358,729,698.07
  5. Step 5: Solve for x
    x = 84,358,729,698.07/319,059
  6. Step 6: Final answer
    x = 264,398.53

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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.