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Finding the Fourth Proportional to 644,551.80, 967,173.30 and 270,612.60

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Solution

The fourth proportional to 644,551.80, 967,173.30 and 270,612.60 is: 406,064.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,551.80 : 967,173.30 = 270,612.60 : x
  2. Step 2: Convert to fraction form
    644,551.80/967,173.30 = 270,612.60/x
  3. Step 3: Cross multiply
    644,551.80x = 967,173.30 × 270,612.60
  4. Step 4: Simplify right side
    644,551.80x = 261,729,281,363.58
  5. Step 5: Solve for x
    x = 261,729,281,363.58/644,551.80
  6. Step 6: Final answer
    x = 406,064.00

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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.