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Finding the Fourth Proportional to 302,695.36, 417,715.76 and 166,726.56

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Solution

The fourth proportional to 302,695.36, 417,715.76 and 166,726.56 is: 230,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,695.36 : 417,715.76 = 166,726.56 : x
  2. Step 2: Convert to fraction form
    302,695.36/417,715.76 = 166,726.56/x
  3. Step 3: Cross multiply
    302,695.36x = 417,715.76 × 166,726.56
  4. Step 4: Simplify right side
    302,695.36x = 69,644,311,722.59
  5. Step 5: Solve for x
    x = 69,644,311,722.59/302,695.36
  6. Step 6: Final answer
    x = 230,080.54

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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.