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Finding the Fourth Proportional to 971,625, 1,457,624.31 and 372,539.43

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Solution

The fourth proportional to 971,625, 1,457,624.31 and 372,539.43 is: 558,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,625 : 1,457,624.31 = 372,539.43 : x
  2. Step 2: Convert to fraction form
    971,625/1,457,624.31 = 372,539.43/x
  3. Step 3: Cross multiply
    971,625x = 1,457,624.31 × 372,539.43
  4. Step 4: Simplify right side
    971,625x = 543,022,529,601.54
  5. Step 5: Solve for x
    x = 543,022,529,601.54/971,625
  6. Step 6: Final answer
    x = 558,880.77

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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.