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Finding the Fourth Proportional to 302,662.99, 417,668.83 and 189,548.11

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Solution

The fourth proportional to 302,662.99, 417,668.83 and 189,548.11 is: 261,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,662.99 : 417,668.83 = 189,548.11 : x
  2. Step 2: Convert to fraction form
    302,662.99/417,668.83 = 189,548.11/x
  3. Step 3: Cross multiply
    302,662.99x = 417,668.83 × 189,548.11
  4. Step 4: Simplify right side
    302,662.99x = 79,168,337,332.41
  5. Step 5: Solve for x
    x = 79,168,337,332.41/302,662.99
  6. Step 6: Final answer
    x = 261,572.57

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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.