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Finding the Fourth Proportional to 959,481, 1,324,200.42 and 557,073

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Solution

The fourth proportional to 959,481, 1,324,200.42 and 557,073 is: 768,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,481 : 1,324,200.42 = 557,073 : x
  2. Step 2: Convert to fraction form
    959,481/1,324,200.42 = 557,073/x
  3. Step 3: Cross multiply
    959,481x = 1,324,200.42 × 557,073
  4. Step 4: Simplify right side
    959,481x = 737,676,300,570.66
  5. Step 5: Solve for x
    x = 737,676,300,570.66/959,481
  6. Step 6: Final answer
    x = 768,828.46

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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.