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Finding the Fourth Proportional to 302,697.65, 417,707.33 and 166,728.68

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Solution

The fourth proportional to 302,697.65, 417,707.33 and 166,728.68 is: 230,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,697.65 : 417,707.33 = 166,728.68 : x
  2. Step 2: Convert to fraction form
    302,697.65/417,707.33 = 166,728.68/x
  3. Step 3: Cross multiply
    302,697.65x = 417,707.33 × 166,728.68
  4. Step 4: Simplify right side
    302,697.65x = 69,643,789,668.69
  5. Step 5: Solve for x
    x = 69,643,789,668.69/302,697.65
  6. Step 6: Final answer
    x = 230,077.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.