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Finding the Fourth Proportional to 552,120.60, 828,278.10 and 197,340.60

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Solution

The fourth proportional to 552,120.60, 828,278.10 and 197,340.60 is: 296,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,120.60 : 828,278.10 = 197,340.60 : x
  2. Step 2: Convert to fraction form
    552,120.60/828,278.10 = 197,340.60/x
  3. Step 3: Cross multiply
    552,120.60x = 828,278.10 × 197,340.60
  4. Step 4: Simplify right side
    552,120.60x = 163,452,897,220.86
  5. Step 5: Solve for x
    x = 163,452,897,220.86/552,120.60
  6. Step 6: Final answer
    x = 296,045.64

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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.