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Finding the Fourth Proportional to 243,846.90, 365,187.15 and 197,190.90

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Solution

The fourth proportional to 243,846.90, 365,187.15 and 197,190.90 is: 295,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,846.90 : 365,187.15 = 197,190.90 : x
  2. Step 2: Convert to fraction form
    243,846.90/365,187.15 = 197,190.90/x
  3. Step 3: Cross multiply
    243,846.90x = 365,187.15 × 197,190.90
  4. Step 4: Simplify right side
    243,846.90x = 72,011,582,776.94
  5. Step 5: Solve for x
    x = 72,011,582,776.94/243,846.90
  6. Step 6: Final answer
    x = 295,314.74

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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.