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Finding the Fourth Proportional to 341,959.16, 471,888.95 and 188,989.44

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Solution

The fourth proportional to 341,959.16, 471,888.95 and 188,989.44 is: 260,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,959.16 : 471,888.95 = 188,989.44 : x
  2. Step 2: Convert to fraction form
    341,959.16/471,888.95 = 188,989.44/x
  3. Step 3: Cross multiply
    341,959.16x = 471,888.95 × 188,989.44
  4. Step 4: Simplify right side
    341,959.16x = 89,182,028,402.69
  5. Step 5: Solve for x
    x = 89,182,028,402.69/341,959.16
  6. Step 6: Final answer
    x = 260,797.31

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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.