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Finding the Fourth Proportional to 303,364.08, 455,104.67 and 116,361

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Solution

The fourth proportional to 303,364.08, 455,104.67 and 116,361 is: 174,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,364.08 : 455,104.67 = 116,361 : x
  2. Step 2: Convert to fraction form
    303,364.08/455,104.67 = 116,361/x
  3. Step 3: Cross multiply
    303,364.08x = 455,104.67 × 116,361
  4. Step 4: Simplify right side
    303,364.08x = 52,956,433,924.07
  5. Step 5: Solve for x
    x = 52,956,433,924.07/303,364.08
  6. Step 6: Final answer
    x = 174,563.96

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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.