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Finding the Fourth Proportional to 302,866.16, 417,958.09 and 166,904.97

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Solution

The fourth proportional to 302,866.16, 417,958.09 and 166,904.97 is: 230,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,866.16 : 417,958.09 = 166,904.97 : x
  2. Step 2: Convert to fraction form
    302,866.16/417,958.09 = 166,904.97/x
  3. Step 3: Cross multiply
    302,866.16x = 417,958.09 × 166,904.97
  4. Step 4: Simplify right side
    302,866.16x = 69,759,283,777.96
  5. Step 5: Solve for x
    x = 69,759,283,777.96/302,866.16
  6. Step 6: Final answer
    x = 230,330.40

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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.