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Finding the Fourth Proportional to 346,825.44, 478,617.28 and 187,849.44

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Solution

The fourth proportional to 346,825.44, 478,617.28 and 187,849.44 is: 259,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,825.44 : 478,617.28 = 187,849.44 : x
  2. Step 2: Convert to fraction form
    346,825.44/478,617.28 = 187,849.44/x
  3. Step 3: Cross multiply
    346,825.44x = 478,617.28 × 187,849.44
  4. Step 4: Simplify right side
    346,825.44x = 89,907,988,022.32
  5. Step 5: Solve for x
    x = 89,907,988,022.32/346,825.44
  6. Step 6: Final answer
    x = 259,231.24

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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.