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Finding the Fourth Proportional to 357,363, 493,157.46 and 196,216.62

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Solution

The fourth proportional to 357,363, 493,157.46 and 196,216.62 is: 270,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,363 : 493,157.46 = 196,216.62 : x
  2. Step 2: Convert to fraction form
    357,363/493,157.46 = 196,216.62/x
  3. Step 3: Cross multiply
    357,363x = 493,157.46 × 196,216.62
  4. Step 4: Simplify right side
    357,363x = 96,765,689,928.99
  5. Step 5: Solve for x
    x = 96,765,689,928.99/357,363
  6. Step 6: Final answer
    x = 270,777.02

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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.