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Finding the Fourth Proportional to 299,346.54, 449,172.89 and 141,532.62

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Solution

The fourth proportional to 299,346.54, 449,172.89 and 141,532.62 is: 212,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,346.54 : 449,172.89 = 141,532.62 : x
  2. Step 2: Convert to fraction form
    299,346.54/449,172.89 = 141,532.62/x
  3. Step 3: Cross multiply
    299,346.54x = 449,172.89 × 141,532.62
  4. Step 4: Simplify right side
    299,346.54x = 63,572,614,889.48
  5. Step 5: Solve for x
    x = 63,572,614,889.48/299,346.54
  6. Step 6: Final answer
    x = 212,371.31

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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.