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Finding the Fourth Proportional to 631,082.44, 946,901.16 and 331,493.44

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Solution

The fourth proportional to 631,082.44, 946,901.16 and 331,493.44 is: 497,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,082.44 : 946,901.16 = 331,493.44 : x
  2. Step 2: Convert to fraction form
    631,082.44/946,901.16 = 331,493.44/x
  3. Step 3: Cross multiply
    631,082.44x = 946,901.16 × 331,493.44
  4. Step 4: Simplify right side
    631,082.44x = 313,891,522,868.39
  5. Step 5: Solve for x
    x = 313,891,522,868.39/631,082.44
  6. Step 6: Final answer
    x = 497,385.92

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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.