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Finding the Fourth Proportional to 544,130.40, 816,195.60 and 486,069.60

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Solution

The fourth proportional to 544,130.40, 816,195.60 and 486,069.60 is: 729,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,130.40 : 816,195.60 = 486,069.60 : x
  2. Step 2: Convert to fraction form
    544,130.40/816,195.60 = 486,069.60/x
  3. Step 3: Cross multiply
    544,130.40x = 816,195.60 × 486,069.60
  4. Step 4: Simplify right side
    544,130.40x = 396,727,868,813.76
  5. Step 5: Solve for x
    x = 396,727,868,813.76/544,130.40
  6. Step 6: Final answer
    x = 729,104.40

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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.