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Finding the Fourth Proportional to 610,751.07, 842,838.62 and 338,824.35

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Solution

The fourth proportional to 610,751.07, 842,838.62 and 338,824.35 is: 467,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,751.07 : 842,838.62 = 338,824.35 : x
  2. Step 2: Convert to fraction form
    610,751.07/842,838.62 = 338,824.35/x
  3. Step 3: Cross multiply
    610,751.07x = 842,838.62 × 338,824.35
  4. Step 4: Simplify right side
    610,751.07x = 285,574,245,882.28
  5. Step 5: Solve for x
    x = 285,574,245,882.28/610,751.07
  6. Step 6: Final answer
    x = 467,578.79

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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.