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Finding the Fourth Proportional to 245,414.40, 368,467.20 and 192,883.20

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Solution

The fourth proportional to 245,414.40, 368,467.20 and 192,883.20 is: 289,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,414.40 : 368,467.20 = 192,883.20 : x
  2. Step 2: Convert to fraction form
    245,414.40/368,467.20 = 192,883.20/x
  3. Step 3: Cross multiply
    245,414.40x = 368,467.20 × 192,883.20
  4. Step 4: Simplify right side
    245,414.40x = 71,071,132,631.04
  5. Step 5: Solve for x
    x = 71,071,132,631.04/245,414.40
  6. Step 6: Final answer
    x = 289,596.42

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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.