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Finding the Fourth Proportional to 303,443.08, 455,223.32 and 116,440.04

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Solution

The fourth proportional to 303,443.08, 455,223.32 and 116,440.04 is: 174,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,443.08 : 455,223.32 = 116,440.04 : x
  2. Step 2: Convert to fraction form
    303,443.08/455,223.32 = 116,440.04/x
  3. Step 3: Cross multiply
    303,443.08x = 455,223.32 × 116,440.04
  4. Step 4: Simplify right side
    303,443.08x = 53,006,221,589.73
  5. Step 5: Solve for x
    x = 53,006,221,589.73/303,443.08
  6. Step 6: Final answer
    x = 174,682.58

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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.