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Finding the Fourth Proportional to 544,010.60, 816,015.90 and 394,711.40

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Solution

The fourth proportional to 544,010.60, 816,015.90 and 394,711.40 is: 592,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,010.60 : 816,015.90 = 394,711.40 : x
  2. Step 2: Convert to fraction form
    544,010.60/816,015.90 = 394,711.40/x
  3. Step 3: Cross multiply
    544,010.60x = 816,015.90 × 394,711.40
  4. Step 4: Simplify right side
    544,010.60x = 322,090,778,311.26
  5. Step 5: Solve for x
    x = 322,090,778,311.26/544,010.60
  6. Step 6: Final answer
    x = 592,067.10

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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.