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Finding the Fourth Proportional to 934,993.80, 1,401,602.88 and 303,465.96

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Solution

The fourth proportional to 934,993.80, 1,401,602.88 and 303,465.96 is: 454,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,993.80 : 1,401,602.88 = 303,465.96 : x
  2. Step 2: Convert to fraction form
    934,993.80/1,401,602.88 = 303,465.96/x
  3. Step 3: Cross multiply
    934,993.80x = 1,401,602.88 × 303,465.96
  4. Step 4: Simplify right side
    934,993.80x = 425,338,763,517.97
  5. Step 5: Solve for x
    x = 425,338,763,517.97/934,993.80
  6. Step 6: Final answer
    x = 454,910.78

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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.