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Finding the Fourth Proportional to 361,051.06, 498,093.60 and 217,731.46

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Solution

The fourth proportional to 361,051.06, 498,093.60 and 217,731.46 is: 300,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,051.06 : 498,093.60 = 217,731.46 : x
  2. Step 2: Convert to fraction form
    361,051.06/498,093.60 = 217,731.46/x
  3. Step 3: Cross multiply
    361,051.06x = 498,093.60 × 217,731.46
  4. Step 4: Simplify right side
    361,051.06x = 108,450,646,744.66
  5. Step 5: Solve for x
    x = 108,450,646,744.66/361,051.06
  6. Step 6: Final answer
    x = 300,374.82

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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.