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Finding the Fourth Proportional to 456,089.04, 629,403.84 and 254,885.04

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Solution

The fourth proportional to 456,089.04, 629,403.84 and 254,885.04 is: 351,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,089.04 : 629,403.84 = 254,885.04 : x
  2. Step 2: Convert to fraction form
    456,089.04/629,403.84 = 254,885.04/x
  3. Step 3: Cross multiply
    456,089.04x = 629,403.84 × 254,885.04
  4. Step 4: Simplify right side
    456,089.04x = 160,425,622,934.55
  5. Step 5: Solve for x
    x = 160,425,622,934.55/456,089.04
  6. Step 6: Final answer
    x = 351,741.89

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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.