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Finding the Fourth Proportional to 552,467.60, 828,701.40 and 197,493.20

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Solution

The fourth proportional to 552,467.60, 828,701.40 and 197,493.20 is: 296,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,467.60 : 828,701.40 = 197,493.20 : x
  2. Step 2: Convert to fraction form
    552,467.60/828,701.40 = 197,493.20/x
  3. Step 3: Cross multiply
    552,467.60x = 828,701.40 × 197,493.20
  4. Step 4: Simplify right side
    552,467.60x = 163,662,891,330.48
  5. Step 5: Solve for x
    x = 163,662,891,330.48/552,467.60
  6. Step 6: Final answer
    x = 296,239.80

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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.