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Finding the Fourth Proportional to 598,640.80, 897,961.20 and 492,352.60

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Solution

The fourth proportional to 598,640.80, 897,961.20 and 492,352.60 is: 738,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,640.80 : 897,961.20 = 492,352.60 : x
  2. Step 2: Convert to fraction form
    598,640.80/897,961.20 = 492,352.60/x
  3. Step 3: Cross multiply
    598,640.80x = 897,961.20 × 492,352.60
  4. Step 4: Simplify right side
    598,640.80x = 442,113,531,519.12
  5. Step 5: Solve for x
    x = 442,113,531,519.12/598,640.80
  6. Step 6: Final answer
    x = 738,528.90

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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.