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Finding the Fourth Proportional to 296,231.80, 444,347.70 and 189,943.60

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Solution

The fourth proportional to 296,231.80, 444,347.70 and 189,943.60 is: 284,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,231.80 : 444,347.70 = 189,943.60 : x
  2. Step 2: Convert to fraction form
    296,231.80/444,347.70 = 189,943.60/x
  3. Step 3: Cross multiply
    296,231.80x = 444,347.70 × 189,943.60
  4. Step 4: Simplify right side
    296,231.80x = 84,401,001,789.72
  5. Step 5: Solve for x
    x = 84,401,001,789.72/296,231.80
  6. Step 6: Final answer
    x = 284,915.40

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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.