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Finding the Fourth Proportional to 536,416.40, 804,112.60 and 199,366.80

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Solution

The fourth proportional to 536,416.40, 804,112.60 and 199,366.80 is: 298,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,416.40 : 804,112.60 = 199,366.80 : x
  2. Step 2: Convert to fraction form
    536,416.40/804,112.60 = 199,366.80/x
  3. Step 3: Cross multiply
    536,416.40x = 804,112.60 × 199,366.80
  4. Step 4: Simplify right side
    536,416.40x = 160,313,355,901.68
  5. Step 5: Solve for x
    x = 160,313,355,901.68/536,416.40
  6. Step 6: Final answer
    x = 298,859.91

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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.