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Finding the Fourth Proportional to 552,112.20, 828,168.30 and 533,741.40

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Solution

The fourth proportional to 552,112.20, 828,168.30 and 533,741.40 is: 800,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,112.20 : 828,168.30 = 533,741.40 : x
  2. Step 2: Convert to fraction form
    552,112.20/828,168.30 = 533,741.40/x
  3. Step 3: Cross multiply
    552,112.20x = 828,168.30 × 533,741.40
  4. Step 4: Simplify right side
    552,112.20x = 442,027,707,877.62
  5. Step 5: Solve for x
    x = 442,027,707,877.62/552,112.20
  6. Step 6: Final answer
    x = 800,612.10

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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.