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Finding the Fourth Proportional to 552,087.60, 828,131.40 and 197,113.20

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Solution

The fourth proportional to 552,087.60, 828,131.40 and 197,113.20 is: 295,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,087.60 : 828,131.40 = 197,113.20 : x
  2. Step 2: Convert to fraction form
    552,087.60/828,131.40 = 197,113.20/x
  3. Step 3: Cross multiply
    552,087.60x = 828,131.40 × 197,113.20
  4. Step 4: Simplify right side
    552,087.60x = 163,235,630,274.48
  5. Step 5: Solve for x
    x = 163,235,630,274.48/552,087.60
  6. Step 6: Final answer
    x = 295,669.80

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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.