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Finding the Fourth Proportional to 302,928.88, 454,477.48 and 132,165.48

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Solution

The fourth proportional to 302,928.88, 454,477.48 and 132,165.48 is: 198,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,928.88 : 454,477.48 = 132,165.48 : x
  2. Step 2: Convert to fraction form
    302,928.88/454,477.48 = 132,165.48/x
  3. Step 3: Cross multiply
    302,928.88x = 454,477.48 × 132,165.48
  4. Step 4: Simplify right side
    302,928.88x = 60,066,234,293.39
  5. Step 5: Solve for x
    x = 60,066,234,293.39/302,928.88
  6. Step 6: Final answer
    x = 198,284.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.