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Finding the Fourth Proportional to 553,195.20, 828,480.60 and 553,195.20

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Solution

The fourth proportional to 553,195.20, 828,480.60 and 553,195.20 is: 828,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,195.20 : 828,480.60 = 553,195.20 : x
  2. Step 2: Convert to fraction form
    553,195.20/828,480.60 = 553,195.20/x
  3. Step 3: Cross multiply
    553,195.20x = 828,480.60 × 553,195.20
  4. Step 4: Simplify right side
    553,195.20x = 458,311,491,213.12
  5. Step 5: Solve for x
    x = 458,311,491,213.12/553,195.20
  6. Step 6: Final answer
    x = 828,480.60

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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.