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Finding the Fourth Proportional to 441,963.20, 663,175.20 and 192,670.40

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Solution

The fourth proportional to 441,963.20, 663,175.20 and 192,670.40 is: 289,106.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,963.20 : 663,175.20 = 192,670.40 : x
  2. Step 2: Convert to fraction form
    441,963.20/663,175.20 = 192,670.40/x
  3. Step 3: Cross multiply
    441,963.20x = 663,175.20 × 192,670.40
  4. Step 4: Simplify right side
    441,963.20x = 127,774,231,054.08
  5. Step 5: Solve for x
    x = 127,774,231,054.08/441,963.20
  6. Step 6: Final answer
    x = 289,106.04

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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.