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Finding the Fourth Proportional to 552,085.20, 828,127.80 and 462,855.60

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Solution

The fourth proportional to 552,085.20, 828,127.80 and 462,855.60 is: 694,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,085.20 : 828,127.80 = 462,855.60 : x
  2. Step 2: Convert to fraction form
    552,085.20/828,127.80 = 462,855.60/x
  3. Step 3: Cross multiply
    552,085.20x = 828,127.80 × 462,855.60
  4. Step 4: Simplify right side
    552,085.20x = 383,303,589,745.68
  5. Step 5: Solve for x
    x = 383,303,589,745.68/552,085.20
  6. Step 6: Final answer
    x = 694,283.40

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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.