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Finding the Fourth Proportional to 384,531.66, 576,797.55 and 251,523.81

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Solution

The fourth proportional to 384,531.66, 576,797.55 and 251,523.81 is: 377,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,531.66 : 576,797.55 = 251,523.81 : x
  2. Step 2: Convert to fraction form
    384,531.66/576,797.55 = 251,523.81/x
  3. Step 3: Cross multiply
    384,531.66x = 576,797.55 × 251,523.81
  4. Step 4: Simplify right side
    384,531.66x = 145,078,317,374.67
  5. Step 5: Solve for x
    x = 145,078,317,374.67/384,531.66
  6. Step 6: Final answer
    x = 377,285.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.