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Finding the Fourth Proportional to 959,535, 1,324,274.94 and 557,127

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Solution

The fourth proportional to 959,535, 1,324,274.94 and 557,127 is: 768,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,535 : 1,324,274.94 = 557,127 : x
  2. Step 2: Convert to fraction form
    959,535/1,324,274.94 = 557,127/x
  3. Step 3: Cross multiply
    959,535x = 1,324,274.94 × 557,127
  4. Step 4: Simplify right side
    959,535x = 737,789,324,497.38
  5. Step 5: Solve for x
    x = 737,789,324,497.38/959,535
  6. Step 6: Final answer
    x = 768,902.98

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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.