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Finding the Fourth Proportional to 696,256.88, 960,837.72 and 394,509.68

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Solution

The fourth proportional to 696,256.88, 960,837.72 and 394,509.68 is: 544,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,256.88 : 960,837.72 = 394,509.68 : x
  2. Step 2: Convert to fraction form
    696,256.88/960,837.72 = 394,509.68/x
  3. Step 3: Cross multiply
    696,256.88x = 960,837.72 × 394,509.68
  4. Step 4: Simplify right side
    696,256.88x = 379,059,781,449.13
  5. Step 5: Solve for x
    x = 379,059,781,449.13/696,256.88
  6. Step 6: Final answer
    x = 544,425.19

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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.