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Finding the Fourth Proportional to 534,455.80, 801,683.70 and 486,244.60

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Solution

The fourth proportional to 534,455.80, 801,683.70 and 486,244.60 is: 729,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,455.80 : 801,683.70 = 486,244.60 : x
  2. Step 2: Convert to fraction form
    534,455.80/801,683.70 = 486,244.60/x
  3. Step 3: Cross multiply
    534,455.80x = 801,683.70 × 486,244.60
  4. Step 4: Simplify right side
    534,455.80x = 389,814,370,033.02
  5. Step 5: Solve for x
    x = 389,814,370,033.02/534,455.80
  6. Step 6: Final answer
    x = 729,366.90

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Similar ratio
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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.