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Finding the Fourth Proportional to 447,774, 617,928.12 and 246,570

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Solution

The fourth proportional to 447,774, 617,928.12 and 246,570 is: 340,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,774 : 617,928.12 = 246,570 : x
  2. Step 2: Convert to fraction form
    447,774/617,928.12 = 246,570/x
  3. Step 3: Cross multiply
    447,774x = 617,928.12 × 246,570
  4. Step 4: Simplify right side
    447,774x = 152,362,536,548.40
  5. Step 5: Solve for x
    x = 152,362,536,548.40/447,774
  6. Step 6: Final answer
    x = 340,266.60

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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.