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Finding the Fourth Proportional to 552,173.80, 828,260.70 and 197,199.40

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Solution

The fourth proportional to 552,173.80, 828,260.70 and 197,199.40 is: 295,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,173.80 : 828,260.70 = 197,199.40 : x
  2. Step 2: Convert to fraction form
    552,173.80/828,260.70 = 197,199.40/x
  3. Step 3: Cross multiply
    552,173.80x = 828,260.70 × 197,199.40
  4. Step 4: Simplify right side
    552,173.80x = 163,332,513,083.58
  5. Step 5: Solve for x
    x = 163,332,513,083.58/552,173.80
  6. Step 6: Final answer
    x = 295,799.10

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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.