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Finding the Fourth Proportional to 873,044.22, 1,309,794.21 and 274,024.38

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Solution

The fourth proportional to 873,044.22, 1,309,794.21 and 274,024.38 is: 411,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,044.22 : 1,309,794.21 = 274,024.38 : x
  2. Step 2: Convert to fraction form
    873,044.22/1,309,794.21 = 274,024.38/x
  3. Step 3: Cross multiply
    873,044.22x = 1,309,794.21 × 274,024.38
  4. Step 4: Simplify right side
    873,044.22x = 358,915,546,322.84
  5. Step 5: Solve for x
    x = 358,915,546,322.84/873,044.22
  6. Step 6: Final answer
    x = 411,108.10

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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.