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Finding the Fourth Proportional to 971,625, 1,457,624.31 and 372,539.44

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Solution

The fourth proportional to 971,625, 1,457,624.31 and 372,539.44 is: 558,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,625 : 1,457,624.31 = 372,539.44 : x
  2. Step 2: Convert to fraction form
    971,625/1,457,624.31 = 372,539.44/x
  3. Step 3: Cross multiply
    971,625x = 1,457,624.31 × 372,539.44
  4. Step 4: Simplify right side
    971,625x = 543,022,544,177.79
  5. Step 5: Solve for x
    x = 543,022,544,177.79/971,625
  6. Step 6: Final answer
    x = 558,880.79

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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.