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Finding the Fourth Proportional to 447,909.39, 618,114.95 and 246,705.39

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Solution

The fourth proportional to 447,909.39, 618,114.95 and 246,705.39 is: 340,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,909.39 : 618,114.95 = 246,705.39 : x
  2. Step 2: Convert to fraction form
    447,909.39/618,114.95 = 246,705.39/x
  3. Step 3: Cross multiply
    447,909.39x = 618,114.95 × 246,705.39
  4. Step 4: Simplify right side
    447,909.39x = 152,492,288,571.05
  5. Step 5: Solve for x
    x = 152,492,288,571.05/447,909.39
  6. Step 6: Final answer
    x = 340,453.43

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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.