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Finding the Fourth Proportional to 351,446.56, 484,996.44 and 190,301.68

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Solution

The fourth proportional to 351,446.56, 484,996.44 and 190,301.68 is: 262,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,446.56 : 484,996.44 = 190,301.68 : x
  2. Step 2: Convert to fraction form
    351,446.56/484,996.44 = 190,301.68/x
  3. Step 3: Cross multiply
    351,446.56x = 484,996.44 × 190,301.68
  4. Step 4: Simplify right side
    351,446.56x = 92,295,637,326.02
  5. Step 5: Solve for x
    x = 92,295,637,326.02/351,446.56
  6. Step 6: Final answer
    x = 262,616.42

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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.