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Finding the Fourth Proportional to 367,281.32, 551,217.24 and 189,840.32

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Solution

The fourth proportional to 367,281.32, 551,217.24 and 189,840.32 is: 284,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,281.32 : 551,217.24 = 189,840.32 : x
  2. Step 2: Convert to fraction form
    367,281.32/551,217.24 = 189,840.32/x
  3. Step 3: Cross multiply
    367,281.32x = 551,217.24 × 189,840.32
  4. Step 4: Simplify right side
    367,281.32x = 104,643,257,231.12
  5. Step 5: Solve for x
    x = 104,643,257,231.12/367,281.32
  6. Step 6: Final answer
    x = 284,913.09

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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.