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Finding the Fourth Proportional to 552,180.80, 828,271.20 and 197,206.40

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Solution

The fourth proportional to 552,180.80, 828,271.20 and 197,206.40 is: 295,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,180.80 : 828,271.20 = 197,206.40 : x
  2. Step 2: Convert to fraction form
    552,180.80/828,271.20 = 197,206.40/x
  3. Step 3: Cross multiply
    552,180.80x = 828,271.20 × 197,206.40
  4. Step 4: Simplify right side
    552,180.80x = 163,340,381,575.68
  5. Step 5: Solve for x
    x = 163,340,381,575.68/552,180.80
  6. Step 6: Final answer
    x = 295,809.60

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Similar ratio
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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.