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Finding the Fourth Proportional to 302,817.70, 454,226.55 and 190,843.30

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Solution

The fourth proportional to 302,817.70, 454,226.55 and 190,843.30 is: 286,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,817.70 : 454,226.55 = 190,843.30 : x
  2. Step 2: Convert to fraction form
    302,817.70/454,226.55 = 190,843.30/x
  3. Step 3: Cross multiply
    302,817.70x = 454,226.55 × 190,843.30
  4. Step 4: Simplify right side
    302,817.70x = 86,686,093,749.62
  5. Step 5: Solve for x
    x = 86,686,093,749.62/302,817.70
  6. Step 6: Final answer
    x = 286,264.95

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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.