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Finding the Fourth Proportional to 997,380, 1,376,391.96 and 544,671

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Solution

The fourth proportional to 997,380, 1,376,391.96 and 544,671 is: 751,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,380 : 1,376,391.96 = 544,671 : x
  2. Step 2: Convert to fraction form
    997,380/1,376,391.96 = 544,671/x
  3. Step 3: Cross multiply
    997,380x = 1,376,391.96 × 544,671
  4. Step 4: Simplify right side
    997,380x = 749,680,785,245.16
  5. Step 5: Solve for x
    x = 749,680,785,245.16/997,380
  6. Step 6: Final answer
    x = 751,650.11

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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.