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Finding the Fourth Proportional to 349,428.82, 481,544.64 and 301,015.53

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Solution

The fourth proportional to 349,428.82, 481,544.64 and 301,015.53 is: 414,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,428.82 : 481,544.64 = 301,015.53 : x
  2. Step 2: Convert to fraction form
    349,428.82/481,544.64 = 301,015.53/x
  3. Step 3: Cross multiply
    349,428.82x = 481,544.64 × 301,015.53
  4. Step 4: Simplify right side
    349,428.82x = 144,952,415,028.26
  5. Step 5: Solve for x
    x = 144,952,415,028.26/349,428.82
  6. Step 6: Final answer
    x = 414,826.73

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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.