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Finding the Fourth Proportional to 302,917.00, 418,008.40 and 166,950.53

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Solution

The fourth proportional to 302,917.00, 418,008.40 and 166,950.53 is: 230,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,917.00 : 418,008.40 = 166,950.53 : x
  2. Step 2: Convert to fraction form
    302,917.00/418,008.40 = 166,950.53/x
  3. Step 3: Cross multiply
    302,917.00x = 418,008.40 × 166,950.53
  4. Step 4: Simplify right side
    302,917.00x = 69,786,724,552.10
  5. Step 5: Solve for x
    x = 69,786,724,552.10/302,917.00
  6. Step 6: Final answer
    x = 230,382.33

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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.