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Finding the Fourth Proportional to 341,892.06, 471,812.31 and 190,991.58

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Solution

The fourth proportional to 341,892.06, 471,812.31 and 190,991.58 is: 263,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,892.06 : 471,812.31 = 190,991.58 : x
  2. Step 2: Convert to fraction form
    341,892.06/471,812.31 = 190,991.58/x
  3. Step 3: Cross multiply
    341,892.06x = 471,812.31 × 190,991.58
  4. Step 4: Simplify right side
    341,892.06x = 90,112,178,550.35
  5. Step 5: Solve for x
    x = 90,112,178,550.35/341,892.06
  6. Step 6: Final answer
    x = 263,569.09

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1.5x scale

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.