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Finding the Fourth Proportional to 299,200.59, 412,935.21 and 171,900.81

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Solution

The fourth proportional to 299,200.59, 412,935.21 and 171,900.81 is: 237,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,200.59 : 412,935.21 = 171,900.81 : x
  2. Step 2: Convert to fraction form
    299,200.59/412,935.21 = 171,900.81/x
  3. Step 3: Cross multiply
    299,200.59x = 412,935.21 × 171,900.81
  4. Step 4: Simplify right side
    299,200.59x = 70,983,897,076.52
  5. Step 5: Solve for x
    x = 70,983,897,076.52/299,200.59
  6. Step 6: Final answer
    x = 237,245.18

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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.