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Finding the Fourth Proportional to 296,810.20, 445,560.90 and 192,064.60

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Solution

The fourth proportional to 296,810.20, 445,560.90 and 192,064.60 is: 288,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,810.20 : 445,560.90 = 192,064.60 : x
  2. Step 2: Convert to fraction form
    296,810.20/445,560.90 = 192,064.60/x
  3. Step 3: Cross multiply
    296,810.20x = 445,560.90 × 192,064.60
  4. Step 4: Simplify right side
    296,810.20x = 85,576,476,034.14
  5. Step 5: Solve for x
    x = 85,576,476,034.14/296,810.20
  6. Step 6: Final answer
    x = 288,320.54

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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.