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Finding the Fourth Proportional to 367,548.16, 551,419.44 and 198,993.64

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Solution

The fourth proportional to 367,548.16, 551,419.44 and 198,993.64 is: 298,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,548.16 : 551,419.44 = 198,993.64 : x
  2. Step 2: Convert to fraction form
    367,548.16/551,419.44 = 198,993.64/x
  3. Step 3: Cross multiply
    367,548.16x = 551,419.44 × 198,993.64
  4. Step 4: Simplify right side
    367,548.16x = 109,728,961,532.36
  5. Step 5: Solve for x
    x = 109,728,961,532.36/367,548.16
  6. Step 6: Final answer
    x = 298,543.08

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1.5x scale

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.