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Finding the Fourth Proportional to 331,606.68, 497,492.03 and 106,990.84

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Solution

The fourth proportional to 331,606.68, 497,492.03 and 106,990.84 is: 160,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,606.68 : 497,492.03 = 106,990.84 : x
  2. Step 2: Convert to fraction form
    331,606.68/497,492.03 = 106,990.84/x
  3. Step 3: Cross multiply
    331,606.68x = 497,492.03 × 106,990.84
  4. Step 4: Simplify right side
    331,606.68x = 53,227,090,183.01
  5. Step 5: Solve for x
    x = 53,227,090,183.01/331,606.68
  6. Step 6: Final answer
    x = 160,512.72

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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.