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Finding the Fourth Proportional to 303,215.40, 454,823.10 and 250,071.30

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Solution

The fourth proportional to 303,215.40, 454,823.10 and 250,071.30 is: 375,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,215.40 : 454,823.10 = 250,071.30 : x
  2. Step 2: Convert to fraction form
    303,215.40/454,823.10 = 250,071.30/x
  3. Step 3: Cross multiply
    303,215.40x = 454,823.10 × 250,071.30
  4. Step 4: Simplify right side
    303,215.40x = 113,738,203,887.03
  5. Step 5: Solve for x
    x = 113,738,203,887.03/303,215.40
  6. Step 6: Final answer
    x = 375,106.95

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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.