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Finding the Fourth Proportional to 553,481.34, 829,414.14 and 245,361.60

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Solution

The fourth proportional to 553,481.34, 829,414.14 and 245,361.60 is: 367,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,481.34 : 829,414.14 = 245,361.60 : x
  2. Step 2: Convert to fraction form
    553,481.34/829,414.14 = 245,361.60/x
  3. Step 3: Cross multiply
    553,481.34x = 829,414.14 × 245,361.60
  4. Step 4: Simplify right side
    553,481.34x = 203,506,380,453.02
  5. Step 5: Solve for x
    x = 203,506,380,453.02/553,481.34
  6. Step 6: Final answer
    x = 367,684.27

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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.