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Finding the Fourth Proportional to 302,238.30, 417,072.36 and 166,250.30

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Solution

The fourth proportional to 302,238.30, 417,072.36 and 166,250.30 is: 229,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,238.30 : 417,072.36 = 166,250.30 : x
  2. Step 2: Convert to fraction form
    302,238.30/417,072.36 = 166,250.30/x
  3. Step 3: Cross multiply
    302,238.30x = 417,072.36 × 166,250.30
  4. Step 4: Simplify right side
    302,238.30x = 69,338,404,971.71
  5. Step 5: Solve for x
    x = 69,338,404,971.71/302,238.30
  6. Step 6: Final answer
    x = 229,416.34

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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.