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Finding the Fourth Proportional to 347,969.80, 480,183.80 and 197,066.80

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Solution

The fourth proportional to 347,969.80, 480,183.80 and 197,066.80 is: 271,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,969.80 : 480,183.80 = 197,066.80 : x
  2. Step 2: Convert to fraction form
    347,969.80/480,183.80 = 197,066.80/x
  3. Step 3: Cross multiply
    347,969.80x = 480,183.80 × 197,066.80
  4. Step 4: Simplify right side
    347,969.80x = 94,628,284,877.84
  5. Step 5: Solve for x
    x = 94,628,284,877.84/347,969.80
  6. Step 6: Final answer
    x = 271,943.96

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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.