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Finding the Fourth Proportional to 294,043.80, 440,190.90 and 194,316.60

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Solution

The fourth proportional to 294,043.80, 440,190.90 and 194,316.60 is: 290,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,043.80 : 440,190.90 = 194,316.60 : x
  2. Step 2: Convert to fraction form
    294,043.80/440,190.90 = 194,316.60/x
  3. Step 3: Cross multiply
    294,043.80x = 440,190.90 × 194,316.60
  4. Step 4: Simplify right side
    294,043.80x = 85,536,399,038.94
  5. Step 5: Solve for x
    x = 85,536,399,038.94/294,043.80
  6. Step 6: Final answer
    x = 290,896.80

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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.