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Finding the Fourth Proportional to 579,714.62, 800,006.28 and 325,065.92

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Solution

The fourth proportional to 579,714.62, 800,006.28 and 325,065.92 is: 448,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,714.62 : 800,006.28 = 325,065.92 : x
  2. Step 2: Convert to fraction form
    579,714.62/800,006.28 = 325,065.92/x
  3. Step 3: Cross multiply
    579,714.62x = 800,006.28 × 325,065.92
  4. Step 4: Simplify right side
    579,714.62x = 260,054,777,413.98
  5. Step 5: Solve for x
    x = 260,054,777,413.98/579,714.62
  6. Step 6: Final answer
    x = 448,591.03

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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.