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Finding the Fourth Proportional to 552,635.60, 828,953.40 and 197,661.20

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Solution

The fourth proportional to 552,635.60, 828,953.40 and 197,661.20 is: 296,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,635.60 : 828,953.40 = 197,661.20 : x
  2. Step 2: Convert to fraction form
    552,635.60/828,953.40 = 197,661.20/x
  3. Step 3: Cross multiply
    552,635.60x = 828,953.40 × 197,661.20
  4. Step 4: Simplify right side
    552,635.60x = 163,851,923,788.08
  5. Step 5: Solve for x
    x = 163,851,923,788.08/552,635.60
  6. Step 6: Final answer
    x = 296,491.80

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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.