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Finding the Fourth Proportional to 304,993.84, 457,361.16 and 124,955.32

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Solution

The fourth proportional to 304,993.84, 457,361.16 and 124,955.32 is: 187,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,993.84 : 457,361.16 = 124,955.32 : x
  2. Step 2: Convert to fraction form
    304,993.84/457,361.16 = 124,955.32/x
  3. Step 3: Cross multiply
    304,993.84x = 457,361.16 × 124,955.32
  4. Step 4: Simplify right side
    304,993.84x = 57,149,710,103.37
  5. Step 5: Solve for x
    x = 57,149,710,103.37/304,993.84
  6. Step 6: Final answer
    x = 187,379.88

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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.