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Finding the Fourth Proportional to 302,684.44, 417,707.34 and 166,718.88

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Solution

The fourth proportional to 302,684.44, 417,707.34 and 166,718.88 is: 230,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,684.44 : 417,707.34 = 166,718.88 : x
  2. Step 2: Convert to fraction form
    302,684.44/417,707.34 = 166,718.88/x
  3. Step 3: Cross multiply
    302,684.44x = 417,707.34 × 166,718.88
  4. Step 4: Simplify right side
    302,684.44x = 69,639,699,892.58
  5. Step 5: Solve for x
    x = 69,639,699,892.58/302,684.44
  6. Step 6: Final answer
    x = 230,073.60

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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.