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Finding the Fourth Proportional to 574,464.06, 792,744.92 and 319,815.27

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Solution

The fourth proportional to 574,464.06, 792,744.92 and 319,815.27 is: 441,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,464.06 : 792,744.92 = 319,815.27 : x
  2. Step 2: Convert to fraction form
    574,464.06/792,744.92 = 319,815.27/x
  3. Step 3: Cross multiply
    574,464.06x = 792,744.92 × 319,815.27
  4. Step 4: Simplify right side
    574,464.06x = 253,531,929,031.85
  5. Step 5: Solve for x
    x = 253,531,929,031.85/574,464.06
  6. Step 6: Final answer
    x = 441,336.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.