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Finding the Fourth Proportional to 303,585.38, 455,399.94 and 116,596.88

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Solution

The fourth proportional to 303,585.38, 455,399.94 and 116,596.88 is: 174,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,585.38 : 455,399.94 = 116,596.88 : x
  2. Step 2: Convert to fraction form
    303,585.38/455,399.94 = 116,596.88/x
  3. Step 3: Cross multiply
    303,585.38x = 455,399.94 × 116,596.88
  4. Step 4: Simplify right side
    303,585.38x = 53,098,212,156.19
  5. Step 5: Solve for x
    x = 53,098,212,156.19/303,585.38
  6. Step 6: Final answer
    x = 174,903.72

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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.