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Finding the Fourth Proportional to 302,778.82, 417,832.82 and 166,809.62

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Solution

The fourth proportional to 302,778.82, 417,832.82 and 166,809.62 is: 230,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778.82 : 417,832.82 = 166,809.62 : x
  2. Step 2: Convert to fraction form
    302,778.82/417,832.82 = 166,809.62/x
  3. Step 3: Cross multiply
    302,778.82x = 417,832.82 × 166,809.62
  4. Step 4: Simplify right side
    302,778.82x = 69,698,534,138.26
  5. Step 5: Solve for x
    x = 69,698,534,138.26/302,778.82
  6. Step 6: Final answer
    x = 230,196.20

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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.