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Finding the Fourth Proportional to 364,996, 547,495.36 and 112,274.80

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Solution

The fourth proportional to 364,996, 547,495.36 and 112,274.80 is: 168,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,996 : 547,495.36 = 112,274.80 : x
  2. Step 2: Convert to fraction form
    364,996/547,495.36 = 112,274.80/x
  3. Step 3: Cross multiply
    364,996x = 547,495.36 × 112,274.80
  4. Step 4: Simplify right side
    364,996x = 61,469,932,044.93
  5. Step 5: Solve for x
    x = 61,469,932,044.93/364,996
  6. Step 6: Final answer
    x = 168,412.62

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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.