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Finding the Fourth Proportional to 351,625.39, 485,244.50 and 190,480.42

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Solution

The fourth proportional to 351,625.39, 485,244.50 and 190,480.42 is: 262,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,625.39 : 485,244.50 = 190,480.42 : x
  2. Step 2: Convert to fraction form
    351,625.39/485,244.50 = 190,480.42/x
  3. Step 3: Cross multiply
    351,625.39x = 485,244.50 × 190,480.42
  4. Step 4: Simplify right side
    351,625.39x = 92,429,574,987.82
  5. Step 5: Solve for x
    x = 92,429,574,987.82/351,625.39
  6. Step 6: Final answer
    x = 262,863.77

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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.