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Finding the Fourth Proportional to 694,671.63, 958,646.85 and 376,719.63

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Solution

The fourth proportional to 694,671.63, 958,646.85 and 376,719.63 is: 519,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,671.63 : 958,646.85 = 376,719.63 : x
  2. Step 2: Convert to fraction form
    694,671.63/958,646.85 = 376,719.63/x
  3. Step 3: Cross multiply
    694,671.63x = 958,646.85 × 376,719.63
  4. Step 4: Simplify right side
    694,671.63x = 361,141,079,955.83
  5. Step 5: Solve for x
    x = 361,141,079,955.83/694,671.63
  6. Step 6: Final answer
    x = 519,873.08

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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.