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Finding the Fourth Proportional to 286,460.67, 395,167.47 and 194,584.68

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Solution

The fourth proportional to 286,460.67, 395,167.47 and 194,584.68 is: 268,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,460.67 : 395,167.47 = 194,584.68 : x
  2. Step 2: Convert to fraction form
    286,460.67/395,167.47 = 194,584.68/x
  3. Step 3: Cross multiply
    286,460.67x = 395,167.47 × 194,584.68
  4. Step 4: Simplify right side
    286,460.67x = 76,893,535,696.36
  5. Step 5: Solve for x
    x = 76,893,535,696.36/286,460.67
  6. Step 6: Final answer
    x = 268,426.15

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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.