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Finding the Fourth Proportional to 299,220.48, 412,944.48 and 171,946.80

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Solution

The fourth proportional to 299,220.48, 412,944.48 and 171,946.80 is: 237,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,220.48 : 412,944.48 = 171,946.80 : x
  2. Step 2: Convert to fraction form
    299,220.48/412,944.48 = 171,946.80/x
  3. Step 3: Cross multiply
    299,220.48x = 412,944.48 × 171,946.80
  4. Step 4: Simplify right side
    299,220.48x = 71,004,481,913.66
  5. Step 5: Solve for x
    x = 71,004,481,913.66/299,220.48
  6. Step 6: Final answer
    x = 237,298.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.