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Finding the Fourth Proportional to 577,081.62, 796,413.84 and 318,953.04

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Solution

The fourth proportional to 577,081.62, 796,413.84 and 318,953.04 is: 440,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,081.62 : 796,413.84 = 318,953.04 : x
  2. Step 2: Convert to fraction form
    577,081.62/796,413.84 = 318,953.04/x
  3. Step 3: Cross multiply
    577,081.62x = 796,413.84 × 318,953.04
  4. Step 4: Simplify right side
    577,081.62x = 254,018,615,366.07
  5. Step 5: Solve for x
    x = 254,018,615,366.07/577,081.62
  6. Step 6: Final answer
    x = 440,177.97

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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.