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Finding the Fourth Proportional to 302,628, 417,626.64 and 168,523.68

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Solution

The fourth proportional to 302,628, 417,626.64 and 168,523.68 is: 232,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,628 : 417,626.64 = 168,523.68 : x
  2. Step 2: Convert to fraction form
    302,628/417,626.64 = 168,523.68/x
  3. Step 3: Cross multiply
    302,628x = 417,626.64 × 168,523.68
  4. Step 4: Simplify right side
    302,628x = 70,379,978,238.84
  5. Step 5: Solve for x
    x = 70,379,978,238.84/302,628
  6. Step 6: Final answer
    x = 232,562.68

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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.