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Finding the Fourth Proportional to 965,704.80, 1,448,557.20 and 606,453.60

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Solution

The fourth proportional to 965,704.80, 1,448,557.20 and 606,453.60 is: 909,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,704.80 : 1,448,557.20 = 606,453.60 : x
  2. Step 2: Convert to fraction form
    965,704.80/1,448,557.20 = 606,453.60/x
  3. Step 3: Cross multiply
    965,704.80x = 1,448,557.20 × 606,453.60
  4. Step 4: Simplify right side
    965,704.80x = 878,482,728,745.92
  5. Step 5: Solve for x
    x = 878,482,728,745.92/965,704.80
  6. Step 6: Final answer
    x = 909,680.40

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Double scale
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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.