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Finding the Fourth Proportional to 341,888.31, 471,649.05 and 198,621.54

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Solution

The fourth proportional to 341,888.31, 471,649.05 and 198,621.54 is: 274,006.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,888.31 : 471,649.05 = 198,621.54 : x
  2. Step 2: Convert to fraction form
    341,888.31/471,649.05 = 198,621.54/x
  3. Step 3: Cross multiply
    341,888.31x = 471,649.05 × 198,621.54
  4. Step 4: Simplify right side
    341,888.31x = 93,679,660,650.54
  5. Step 5: Solve for x
    x = 93,679,660,650.54/341,888.31
  6. Step 6: Final answer
    x = 274,006.62

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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.