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Finding the Fourth Proportional to 296,164.20, 443,954.70 and 146,427.60

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Solution

The fourth proportional to 296,164.20, 443,954.70 and 146,427.60 is: 219,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,164.20 : 443,954.70 = 146,427.60 : x
  2. Step 2: Convert to fraction form
    296,164.20/443,954.70 = 146,427.60/x
  3. Step 3: Cross multiply
    296,164.20x = 443,954.70 × 146,427.60
  4. Step 4: Simplify right side
    296,164.20x = 65,007,221,229.72
  5. Step 5: Solve for x
    x = 65,007,221,229.72/296,164.20
  6. Step 6: Final answer
    x = 219,497.23

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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.