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Finding the Fourth Proportional to 552,651.60, 828,977.40 and 412,683.60

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Solution

The fourth proportional to 552,651.60, 828,977.40 and 412,683.60 is: 619,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,651.60 : 828,977.40 = 412,683.60 : x
  2. Step 2: Convert to fraction form
    552,651.60/828,977.40 = 412,683.60/x
  3. Step 3: Cross multiply
    552,651.60x = 828,977.40 × 412,683.60
  4. Step 4: Simplify right side
    552,651.60x = 342,105,377,750.64
  5. Step 5: Solve for x
    x = 342,105,377,750.64/552,651.60
  6. Step 6: Final answer
    x = 619,025.40

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Similar ratio
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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.