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Finding the Fourth Proportional to 552,258.80, 828,388.20 and 197,284.40

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Solution

The fourth proportional to 552,258.80, 828,388.20 and 197,284.40 is: 295,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,258.80 : 828,388.20 = 197,284.40 : x
  2. Step 2: Convert to fraction form
    552,258.80/828,388.20 = 197,284.40/x
  3. Step 3: Cross multiply
    552,258.80x = 828,388.20 × 197,284.40
  4. Step 4: Simplify right side
    552,258.80x = 163,428,069,004.08
  5. Step 5: Solve for x
    x = 163,428,069,004.08/552,258.80
  6. Step 6: Final answer
    x = 295,926.60

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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.