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Finding the Fourth Proportional to 512,967.66, 769,464.63 and 243,032.60

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Solution

The fourth proportional to 512,967.66, 769,464.63 and 243,032.60 is: 364,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,967.66 : 769,464.63 = 243,032.60 : x
  2. Step 2: Convert to fraction form
    512,967.66/769,464.63 = 243,032.60/x
  3. Step 3: Cross multiply
    512,967.66x = 769,464.63 × 243,032.60
  4. Step 4: Simplify right side
    512,967.66x = 187,004,985,789.62
  5. Step 5: Solve for x
    x = 187,004,985,789.62/512,967.66
  6. Step 6: Final answer
    x = 364,555.12

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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.