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Finding the Fourth Proportional to 351,497.81, 485,064.44 and 190,349.12

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Solution

The fourth proportional to 351,497.81, 485,064.44 and 190,349.12 is: 262,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,497.81 : 485,064.44 = 190,349.12 : x
  2. Step 2: Convert to fraction form
    351,497.81/485,064.44 = 190,349.12/x
  3. Step 3: Cross multiply
    351,497.81x = 485,064.44 × 190,349.12
  4. Step 4: Simplify right side
    351,497.81x = 92,331,589,297.29
  5. Step 5: Solve for x
    x = 92,331,589,297.29/351,497.81
  6. Step 6: Final answer
    x = 262,680.41

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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.