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Finding the Fourth Proportional to 333,392.70, 499,979.70 and 123,003.30

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Solution

The fourth proportional to 333,392.70, 499,979.70 and 123,003.30 is: 184,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,392.70 : 499,979.70 = 123,003.30 : x
  2. Step 2: Convert to fraction form
    333,392.70/499,979.70 = 123,003.30/x
  3. Step 3: Cross multiply
    333,392.70x = 499,979.70 × 123,003.30
  4. Step 4: Simplify right side
    333,392.70x = 61,499,153,033.01
  5. Step 5: Solve for x
    x = 61,499,153,033.01/333,392.70
  6. Step 6: Final answer
    x = 184,464.61

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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.