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Finding the Fourth Proportional to 959,394, 1,324,119.24 and 557,219.28

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Solution

The fourth proportional to 959,394, 1,324,119.24 and 557,219.28 is: 769,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,394 : 1,324,119.24 = 557,219.28 : x
  2. Step 2: Convert to fraction form
    959,394/1,324,119.24 = 557,219.28/x
  3. Step 3: Cross multiply
    959,394x = 1,324,119.24 × 557,219.28
  4. Step 4: Simplify right side
    959,394x = 737,824,769,546.95
  5. Step 5: Solve for x
    x = 737,824,769,546.95/959,394
  6. Step 6: Final answer
    x = 769,052.93

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1.5x scale

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.