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Finding the Fourth Proportional to 436,433.94, 601,936.88 and 298,694.34

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Solution

The fourth proportional to 436,433.94, 601,936.88 and 298,694.34 is: 411,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,433.94 : 601,936.88 = 298,694.34 : x
  2. Step 2: Convert to fraction form
    436,433.94/601,936.88 = 298,694.34/x
  3. Step 3: Cross multiply
    436,433.94x = 601,936.88 × 298,694.34
  4. Step 4: Simplify right side
    436,433.94x = 179,795,137,599.79
  5. Step 5: Solve for x
    x = 179,795,137,599.79/436,433.94
  6. Step 6: Final answer
    x = 411,964.15

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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.