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Finding the Fourth Proportional to 616,166.94, 923,445.22 and 445,961.74

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Solution

The fourth proportional to 616,166.94, 923,445.22 and 445,961.74 is: 668,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,166.94 : 923,445.22 = 445,961.74 : x
  2. Step 2: Convert to fraction form
    616,166.94/923,445.22 = 445,961.74/x
  3. Step 3: Cross multiply
    616,166.94x = 923,445.22 × 445,961.74
  4. Step 4: Simplify right side
    616,166.94x = 411,821,237,105.88
  5. Step 5: Solve for x
    x = 411,821,237,105.88/616,166.94
  6. Step 6: Final answer
    x = 668,359.84

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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.