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Finding the Fourth Proportional to 303,588, 418,951.68 and 169,452

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Solution

The fourth proportional to 303,588, 418,951.68 and 169,452 is: 233,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,588 : 418,951.68 = 169,452 : x
  2. Step 2: Convert to fraction form
    303,588/418,951.68 = 169,452/x
  3. Step 3: Cross multiply
    303,588x = 418,951.68 × 169,452
  4. Step 4: Simplify right side
    303,588x = 70,992,200,079.36
  5. Step 5: Solve for x
    x = 70,992,200,079.36/303,588
  6. Step 6: Final answer
    x = 233,843.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.