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Finding the Fourth Proportional to 577,118.69, 796,934.47 and 359,698.43

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Solution

The fourth proportional to 577,118.69, 796,934.47 and 359,698.43 is: 496,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,118.69 : 796,934.47 = 359,698.43 : x
  2. Step 2: Convert to fraction form
    577,118.69/796,934.47 = 359,698.43/x
  3. Step 3: Cross multiply
    577,118.69x = 796,934.47 × 359,698.43
  4. Step 4: Simplify right side
    577,118.69x = 286,656,078,764.97
  5. Step 5: Solve for x
    x = 286,656,078,764.97/577,118.69
  6. Step 6: Final answer
    x = 496,702.12

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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.