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Finding the Fourth Proportional to 351,467.01, 485,023.60 and 190,322.06

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Solution

The fourth proportional to 351,467.01, 485,023.60 and 190,322.06 is: 262,643.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,467.01 : 485,023.60 = 190,322.06 : x
  2. Step 2: Convert to fraction form
    351,467.01/485,023.60 = 190,322.06/x
  3. Step 3: Cross multiply
    351,467.01x = 485,023.60 × 190,322.06
  4. Step 4: Simplify right side
    351,467.01x = 92,310,690,700.62
  5. Step 5: Solve for x
    x = 92,310,690,700.62/351,467.01
  6. Step 6: Final answer
    x = 262,643.97

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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.