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Finding the Fourth Proportional to 437,604.40, 656,406.60 and 367,620.40

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Solution

The fourth proportional to 437,604.40, 656,406.60 and 367,620.40 is: 551,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,604.40 : 656,406.60 = 367,620.40 : x
  2. Step 2: Convert to fraction form
    437,604.40/656,406.60 = 367,620.40/x
  3. Step 3: Cross multiply
    437,604.40x = 656,406.60 × 367,620.40
  4. Step 4: Simplify right side
    437,604.40x = 241,308,456,854.64
  5. Step 5: Solve for x
    x = 241,308,456,854.64/437,604.40
  6. Step 6: Final answer
    x = 551,430.60

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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.