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Finding the Fourth Proportional to 591,713.60, 887,570.40 and 451,745.60

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Solution

The fourth proportional to 591,713.60, 887,570.40 and 451,745.60 is: 677,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,713.60 : 887,570.40 = 451,745.60 : x
  2. Step 2: Convert to fraction form
    591,713.60/887,570.40 = 451,745.60/x
  3. Step 3: Cross multiply
    591,713.60x = 887,570.40 × 451,745.60
  4. Step 4: Simplify right side
    591,713.60x = 400,956,022,890.24
  5. Step 5: Solve for x
    x = 400,956,022,890.24/591,713.60
  6. Step 6: Final answer
    x = 677,618.40

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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.