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Finding the Fourth Proportional to 303,289.71, 454,992.88 and 116,286.63

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Solution

The fourth proportional to 303,289.71, 454,992.88 and 116,286.63 is: 174,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,289.71 : 454,992.88 = 116,286.63 : x
  2. Step 2: Convert to fraction form
    303,289.71/454,992.88 = 116,286.63/x
  3. Step 3: Cross multiply
    303,289.71x = 454,992.88 × 116,286.63
  4. Step 4: Simplify right side
    303,289.71x = 52,909,588,689.19
  5. Step 5: Solve for x
    x = 52,909,588,689.19/303,289.71
  6. Step 6: Final answer
    x = 174,452.30

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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.