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Finding the Fourth Proportional to 445,770, 615,173.40 and 244,566

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Solution

The fourth proportional to 445,770, 615,173.40 and 244,566 is: 337,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,770 : 615,173.40 = 244,566 : x
  2. Step 2: Convert to fraction form
    445,770/615,173.40 = 244,566/x
  3. Step 3: Cross multiply
    445,770x = 615,173.40 × 244,566
  4. Step 4: Simplify right side
    445,770x = 150,450,497,744.40
  5. Step 5: Solve for x
    x = 150,450,497,744.40/445,770
  6. Step 6: Final answer
    x = 337,507.01

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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.