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Finding the Fourth Proportional to 409,891.80, 614,837.70 and 297,042.60

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Solution

The fourth proportional to 409,891.80, 614,837.70 and 297,042.60 is: 445,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,891.80 : 614,837.70 = 297,042.60 : x
  2. Step 2: Convert to fraction form
    409,891.80/614,837.70 = 297,042.60/x
  3. Step 3: Cross multiply
    409,891.80x = 614,837.70 × 297,042.60
  4. Step 4: Simplify right side
    409,891.80x = 182,632,988,986.02
  5. Step 5: Solve for x
    x = 182,632,988,986.02/409,891.80
  6. Step 6: Final answer
    x = 445,563.90

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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.