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Finding the Fourth Proportional to 577,145.43, 796,971.33 and 359,725.17

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Solution

The fourth proportional to 577,145.43, 796,971.33 and 359,725.17 is: 496,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,145.43 : 796,971.33 = 359,725.17 : x
  2. Step 2: Convert to fraction form
    577,145.43/796,971.33 = 359,725.17/x
  3. Step 3: Cross multiply
    577,145.43x = 796,971.33 × 359,725.17
  4. Step 4: Simplify right side
    577,145.43x = 286,690,647,169.38
  5. Step 5: Solve for x
    x = 286,690,647,169.38/577,145.43
  6. Step 6: Final answer
    x = 496,739.01

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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.