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Finding the Fourth Proportional to 302,866.80, 454,321.80 and 92,504.40

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Solution

The fourth proportional to 302,866.80, 454,321.80 and 92,504.40 is: 138,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,866.80 : 454,321.80 = 92,504.40 : x
  2. Step 2: Convert to fraction form
    302,866.80/454,321.80 = 92,504.40/x
  3. Step 3: Cross multiply
    302,866.80x = 454,321.80 × 92,504.40
  4. Step 4: Simplify right side
    302,866.80x = 42,026,765,515.92
  5. Step 5: Solve for x
    x = 42,026,765,515.92/302,866.80
  6. Step 6: Final answer
    x = 138,763.20

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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.