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Finding the Fourth Proportional to 551,667.16, 827,565.54 and 196,731.64

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Solution

The fourth proportional to 551,667.16, 827,565.54 and 196,731.64 is: 295,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,667.16 : 827,565.54 = 196,731.64 : x
  2. Step 2: Convert to fraction form
    551,667.16/827,565.54 = 196,731.64/x
  3. Step 3: Cross multiply
    551,667.16x = 827,565.54 × 196,731.64
  4. Step 4: Simplify right side
    551,667.16x = 162,808,325,891.69
  5. Step 5: Solve for x
    x = 162,808,325,891.69/551,667.16
  6. Step 6: Final answer
    x = 295,120.57

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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.