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Finding the Fourth Proportional to 656,093.20, 984,139.80 and 650,563.60

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Solution

The fourth proportional to 656,093.20, 984,139.80 and 650,563.60 is: 975,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,093.20 : 984,139.80 = 650,563.60 : x
  2. Step 2: Convert to fraction form
    656,093.20/984,139.80 = 650,563.60/x
  3. Step 3: Cross multiply
    656,093.20x = 984,139.80 × 650,563.60
  4. Step 4: Simplify right side
    656,093.20x = 640,245,531,191.28
  5. Step 5: Solve for x
    x = 640,245,531,191.28/656,093.20
  6. Step 6: Final answer
    x = 975,845.40

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1.5x scale

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.