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Finding the Fourth Proportional to 291,700.60, 437,550.90 and 197,222.20

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Solution

The fourth proportional to 291,700.60, 437,550.90 and 197,222.20 is: 295,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,700.60 : 437,550.90 = 197,222.20 : x
  2. Step 2: Convert to fraction form
    291,700.60/437,550.90 = 197,222.20/x
  3. Step 3: Cross multiply
    291,700.60x = 437,550.90 × 197,222.20
  4. Step 4: Simplify right side
    291,700.60x = 86,294,751,109.98
  5. Step 5: Solve for x
    x = 86,294,751,109.98/291,700.60
  6. Step 6: Final answer
    x = 295,833.30

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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.