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Finding the Fourth Proportional to 361,338.60, 541,424.70 and 227,980.20

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Solution

The fourth proportional to 361,338.60, 541,424.70 and 227,980.20 is: 341,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,338.60 : 541,424.70 = 227,980.20 : x
  2. Step 2: Convert to fraction form
    361,338.60/541,424.70 = 227,980.20/x
  3. Step 3: Cross multiply
    361,338.60x = 541,424.70 × 227,980.20
  4. Step 4: Simplify right side
    361,338.60x = 123,434,111,390.94
  5. Step 5: Solve for x
    x = 123,434,111,390.94/361,338.60
  6. Step 6: Final answer
    x = 341,602.34

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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.