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Finding the Fourth Proportional to 544,086.40, 815,740.80 and 244,321.60

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Solution

The fourth proportional to 544,086.40, 815,740.80 and 244,321.60 is: 366,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,086.40 : 815,740.80 = 244,321.60 : x
  2. Step 2: Convert to fraction form
    544,086.40/815,740.80 = 244,321.60/x
  3. Step 3: Cross multiply
    544,086.40x = 815,740.80 × 244,321.60
  4. Step 4: Simplify right side
    544,086.40x = 199,303,097,441.28
  5. Step 5: Solve for x
    x = 199,303,097,441.28/544,086.40
  6. Step 6: Final answer
    x = 366,307.81

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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.