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Finding the Fourth Proportional to 608,744.80, 913,117.20 and 605,245.60

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Solution

The fourth proportional to 608,744.80, 913,117.20 and 605,245.60 is: 907,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,744.80 : 913,117.20 = 605,245.60 : x
  2. Step 2: Convert to fraction form
    608,744.80/913,117.20 = 605,245.60/x
  3. Step 3: Cross multiply
    608,744.80x = 913,117.20 × 605,245.60
  4. Step 4: Simplify right side
    608,744.80x = 552,660,167,584.32
  5. Step 5: Solve for x
    x = 552,660,167,584.32/608,744.80
  6. Step 6: Final answer
    x = 907,868.40

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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.