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Finding the Fourth Proportional to 336,078.48, 504,350.54 and 133,653.84

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Solution

The fourth proportional to 336,078.48, 504,350.54 and 133,653.84 is: 200,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,078.48 : 504,350.54 = 133,653.84 : x
  2. Step 2: Convert to fraction form
    336,078.48/504,350.54 = 133,653.84/x
  3. Step 3: Cross multiply
    336,078.48x = 504,350.54 × 133,653.84
  4. Step 4: Simplify right side
    336,078.48x = 67,408,385,708.80
  5. Step 5: Solve for x
    x = 67,408,385,708.80/336,078.48
  6. Step 6: Final answer
    x = 200,573.35

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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.