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Finding the Fourth Proportional to 605,047.20, 907,570.80 and 463,329.60

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Solution

The fourth proportional to 605,047.20, 907,570.80 and 463,329.60 is: 694,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,047.20 : 907,570.80 = 463,329.60 : x
  2. Step 2: Convert to fraction form
    605,047.20/907,570.80 = 463,329.60/x
  3. Step 3: Cross multiply
    605,047.20x = 907,570.80 × 463,329.60
  4. Step 4: Simplify right side
    605,047.20x = 420,504,415,735.68
  5. Step 5: Solve for x
    x = 420,504,415,735.68/605,047.20
  6. Step 6: Final answer
    x = 694,994.40

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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.