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Finding the Fourth Proportional to 321,082.17, 481,646.34 and 110,717.07

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Solution

The fourth proportional to 321,082.17, 481,646.34 and 110,717.07 is: 166,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,082.17 : 481,646.34 = 110,717.07 : x
  2. Step 2: Convert to fraction form
    321,082.17/481,646.34 = 110,717.07/x
  3. Step 3: Cross multiply
    321,082.17x = 481,646.34 × 110,717.07
  4. Step 4: Simplify right side
    321,082.17x = 53,326,471,541.02
  5. Step 5: Solve for x
    x = 53,326,471,541.02/321,082.17
  6. Step 6: Final answer
    x = 166,083.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.