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Finding the Fourth Proportional to 351,055.62, 484,454.79 and 189,910.17

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Solution

The fourth proportional to 351,055.62, 484,454.79 and 189,910.17 is: 262,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,055.62 : 484,454.79 = 189,910.17 : x
  2. Step 2: Convert to fraction form
    351,055.62/484,454.79 = 189,910.17/x
  3. Step 3: Cross multiply
    351,055.62x = 484,454.79 × 189,910.17
  4. Step 4: Simplify right side
    351,055.62x = 92,002,891,526.21
  5. Step 5: Solve for x
    x = 92,002,891,526.21/351,055.62
  6. Step 6: Final answer
    x = 262,074.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.