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Finding the Fourth Proportional to 451,519.16, 623,124.45 and 250,315.16

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Solution

The fourth proportional to 451,519.16, 623,124.45 and 250,315.16 is: 345,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,519.16 : 623,124.45 = 250,315.16 : x
  2. Step 2: Convert to fraction form
    451,519.16/623,124.45 = 250,315.16/x
  3. Step 3: Cross multiply
    451,519.16x = 623,124.45 × 250,315.16
  4. Step 4: Simplify right side
    451,519.16x = 155,977,493,286.04
  5. Step 5: Solve for x
    x = 155,977,493,286.04/451,519.16
  6. Step 6: Final answer
    x = 345,450.45

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