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Finding the Fourth Proportional to 664,512.04, 996,145.98 and 368,401.96

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Solution

The fourth proportional to 664,512.04, 996,145.98 and 368,401.96 is: 552,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,512.04 : 996,145.98 = 368,401.96 : x
  2. Step 2: Convert to fraction form
    664,512.04/996,145.98 = 368,401.96/x
  3. Step 3: Cross multiply
    664,512.04x = 996,145.98 × 368,401.96
  4. Step 4: Simplify right side
    664,512.04x = 366,982,131,478.12
  5. Step 5: Solve for x
    x = 366,982,131,478.12/664,512.04
  6. Step 6: Final answer
    x = 552,258.06

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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.