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Finding the Fourth Proportional to 554,878.99, 765,650.88 and 336,974.35

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Solution

The fourth proportional to 554,878.99, 765,650.88 and 336,974.35 is: 464,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,878.99 : 765,650.88 = 336,974.35 : x
  2. Step 2: Convert to fraction form
    554,878.99/765,650.88 = 336,974.35/x
  3. Step 3: Cross multiply
    554,878.99x = 765,650.88 × 336,974.35
  4. Step 4: Simplify right side
    554,878.99x = 258,004,707,614.93
  5. Step 5: Solve for x
    x = 258,004,707,614.93/554,878.99
  6. Step 6: Final answer
    x = 464,974.73

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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.