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Finding the Fourth Proportional to 284,244.35, 426,333.45 and 73,898.69

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Solution

The fourth proportional to 284,244.35, 426,333.45 and 73,898.69 is: 110,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,244.35 : 426,333.45 = 73,898.69 : x
  2. Step 2: Convert to fraction form
    284,244.35/426,333.45 = 73,898.69/x
  3. Step 3: Cross multiply
    284,244.35x = 426,333.45 × 73,898.69
  4. Step 4: Simplify right side
    284,244.35x = 31,505,483,458.18
  5. Step 5: Solve for x
    x = 31,505,483,458.18/284,244.35
  6. Step 6: Final answer
    x = 110,839.44

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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.