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Finding the Fourth Proportional to 552,169.80, 828,254.70 and 197,195.40

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Solution

The fourth proportional to 552,169.80, 828,254.70 and 197,195.40 is: 295,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,169.80 : 828,254.70 = 197,195.40 : x
  2. Step 2: Convert to fraction form
    552,169.80/828,254.70 = 197,195.40/x
  3. Step 3: Cross multiply
    552,169.80x = 828,254.70 × 197,195.40
  4. Step 4: Simplify right side
    552,169.80x = 163,328,016,868.38
  5. Step 5: Solve for x
    x = 163,328,016,868.38/552,169.80
  6. Step 6: Final answer
    x = 295,793.10

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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.