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Finding the Fourth Proportional to 451,773.65, 623,466.01 and 270,449.48

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Solution

The fourth proportional to 451,773.65, 623,466.01 and 270,449.48 is: 373,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,773.65 : 623,466.01 = 270,449.48 : x
  2. Step 2: Convert to fraction form
    451,773.65/623,466.01 = 270,449.48/x
  3. Step 3: Cross multiply
    451,773.65x = 623,466.01 × 270,449.48
  4. Step 4: Simplify right side
    451,773.65x = 168,616,060,098.90
  5. Step 5: Solve for x
    x = 168,616,060,098.90/451,773.65
  6. Step 6: Final answer
    x = 373,231.28

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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.