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Finding the Fourth Proportional to 606,608.80, 910,569.30 and 382,222.60

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Solution

The fourth proportional to 606,608.80, 910,569.30 and 382,222.60 is: 573,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,608.80 : 910,569.30 = 382,222.60 : x
  2. Step 2: Convert to fraction form
    606,608.80/910,569.30 = 382,222.60/x
  3. Step 3: Cross multiply
    606,608.80x = 910,569.30 × 382,222.60
  4. Step 4: Simplify right side
    606,608.80x = 348,040,165,326.18
  5. Step 5: Solve for x
    x = 348,040,165,326.18/606,608.80
  6. Step 6: Final answer
    x = 573,747.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.