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Finding the Fourth Proportional to 552,171.80, 828,257.70 and 197,197.40

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Solution

The fourth proportional to 552,171.80, 828,257.70 and 197,197.40 is: 295,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,171.80 : 828,257.70 = 197,197.40 : x
  2. Step 2: Convert to fraction form
    552,171.80/828,257.70 = 197,197.40/x
  3. Step 3: Cross multiply
    552,171.80x = 828,257.70 × 197,197.40
  4. Step 4: Simplify right side
    552,171.80x = 163,330,264,969.98
  5. Step 5: Solve for x
    x = 163,330,264,969.98/552,171.80
  6. Step 6: Final answer
    x = 295,796.10

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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.