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Finding the Fourth Proportional to 333,722.86, 500,583.96 and 134,043.28

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Solution

The fourth proportional to 333,722.86, 500,583.96 and 134,043.28 is: 201,064.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,722.86 : 500,583.96 = 134,043.28 : x
  2. Step 2: Convert to fraction form
    333,722.86/500,583.96 = 134,043.28/x
  3. Step 3: Cross multiply
    333,722.86x = 500,583.96 × 134,043.28
  4. Step 4: Simplify right side
    333,722.86x = 67,099,915,913.79
  5. Step 5: Solve for x
    x = 67,099,915,913.79/333,722.86
  6. Step 6: Final answer
    x = 201,064.79

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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.