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Finding the Fourth Proportional to 331,324.10, 496,986.15 and 109,708.10

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Solution

The fourth proportional to 331,324.10, 496,986.15 and 109,708.10 is: 164,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,324.10 : 496,986.15 = 109,708.10 : x
  2. Step 2: Convert to fraction form
    331,324.10/496,986.15 = 109,708.10/x
  3. Step 3: Cross multiply
    331,324.10x = 496,986.15 × 109,708.10
  4. Step 4: Simplify right side
    331,324.10x = 54,523,406,242.82
  5. Step 5: Solve for x
    x = 54,523,406,242.82/331,324.10
  6. Step 6: Final answer
    x = 164,562.15

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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.