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Finding the Fourth Proportional to 346,718.44, 519,189.72 and 239,954.56

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Solution

The fourth proportional to 346,718.44, 519,189.72 and 239,954.56 is: 359,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,718.44 : 519,189.72 = 239,954.56 : x
  2. Step 2: Convert to fraction form
    346,718.44/519,189.72 = 239,954.56/x
  3. Step 3: Cross multiply
    346,718.44x = 519,189.72 × 239,954.56
  4. Step 4: Simplify right side
    346,718.44x = 124,581,940,819.12
  5. Step 5: Solve for x
    x = 124,581,940,819.12/346,718.44
  6. Step 6: Final answer
    x = 359,317.32

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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.