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Finding the Fourth Proportional to 707,512.32, 976,954.77 and 656,227.44

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Solution

The fourth proportional to 707,512.32, 976,954.77 and 656,227.44 is: 906,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,512.32 : 976,954.77 = 656,227.44 : x
  2. Step 2: Convert to fraction form
    707,512.32/976,954.77 = 656,227.44/x
  3. Step 3: Cross multiply
    707,512.32x = 976,954.77 × 656,227.44
  4. Step 4: Simplify right side
    707,512.32x = 641,104,527,712.89
  5. Step 5: Solve for x
    x = 641,104,527,712.89/707,512.32
  6. Step 6: Final answer
    x = 906,139.03

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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.