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Finding the Fourth Proportional to 333,816.54, 500,725.18 and 84,498.54

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Solution

The fourth proportional to 333,816.54, 500,725.18 and 84,498.54 is: 126,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,816.54 : 500,725.18 = 84,498.54 : x
  2. Step 2: Convert to fraction form
    333,816.54/500,725.18 = 84,498.54/x
  3. Step 3: Cross multiply
    333,816.54x = 500,725.18 × 84,498.54
  4. Step 4: Simplify right side
    333,816.54x = 42,310,546,651.24
  5. Step 5: Solve for x
    x = 42,310,546,651.24/333,816.54
  6. Step 6: Final answer
    x = 126,747.90

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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.