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Finding the Fourth Proportional to 471,463.72, 650,619.88 and 256,605.32

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Solution

The fourth proportional to 471,463.72, 650,619.88 and 256,605.32 is: 354,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,463.72 : 650,619.88 = 256,605.32 : x
  2. Step 2: Convert to fraction form
    471,463.72/650,619.88 = 256,605.32/x
  3. Step 3: Cross multiply
    471,463.72x = 650,619.88 × 256,605.32
  4. Step 4: Simplify right side
    471,463.72x = 166,952,522,505.76
  5. Step 5: Solve for x
    x = 166,952,522,505.76/471,463.72
  6. Step 6: Final answer
    x = 354,115.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.