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Finding the Fourth Proportional to 456,131.30, 629,459.62 and 254,927.30

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Solution

The fourth proportional to 456,131.30, 629,459.62 and 254,927.30 is: 351,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,131.30 : 629,459.62 = 254,927.30 : x
  2. Step 2: Convert to fraction form
    456,131.30/629,459.62 = 254,927.30/x
  3. Step 3: Cross multiply
    456,131.30x = 629,459.62 × 254,927.30
  4. Step 4: Simplify right side
    456,131.30x = 160,466,437,601.01
  5. Step 5: Solve for x
    x = 160,466,437,601.01/456,131.30
  6. Step 6: Final answer
    x = 351,798.79

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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.