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Finding the Fourth Proportional to 552,204.80, 828,307.20 and 197,230.40

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Solution

The fourth proportional to 552,204.80, 828,307.20 and 197,230.40 is: 295,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,204.80 : 828,307.20 = 197,230.40 : x
  2. Step 2: Convert to fraction form
    552,204.80/828,307.20 = 197,230.40/x
  3. Step 3: Cross multiply
    552,204.80x = 828,307.20 × 197,230.40
  4. Step 4: Simplify right side
    552,204.80x = 163,367,360,378.88
  5. Step 5: Solve for x
    x = 163,367,360,378.88/552,204.80
  6. Step 6: Final answer
    x = 295,845.60

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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.