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Finding the Fourth Proportional to 302,480.44, 417,428.35 and 164,663.35

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Solution

The fourth proportional to 302,480.44, 417,428.35 and 164,663.35 is: 227,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,480.44 : 417,428.35 = 164,663.35 : x
  2. Step 2: Convert to fraction form
    302,480.44/417,428.35 = 164,663.35/x
  3. Step 3: Cross multiply
    302,480.44x = 417,428.35 × 164,663.35
  4. Step 4: Simplify right side
    302,480.44x = 68,735,150,495.97
  5. Step 5: Solve for x
    x = 68,735,150,495.97/302,480.44
  6. Step 6: Final answer
    x = 227,238.33

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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.