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Finding the Fourth Proportional to 226,646.40, 339,969.60 and 151,996.80

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Solution

The fourth proportional to 226,646.40, 339,969.60 and 151,996.80 is: 227,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,646.40 : 339,969.60 = 151,996.80 : x
  2. Step 2: Convert to fraction form
    226,646.40/339,969.60 = 151,996.80/x
  3. Step 3: Cross multiply
    226,646.40x = 339,969.60 × 151,996.80
  4. Step 4: Simplify right side
    226,646.40x = 51,674,291,297.28
  5. Step 5: Solve for x
    x = 51,674,291,297.28/226,646.40
  6. Step 6: Final answer
    x = 227,995.20

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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.