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Finding the Fourth Proportional to 286,472.66, 395,472.52 and 179,077.29

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Solution

The fourth proportional to 286,472.66, 395,472.52 and 179,077.29 is: 247,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,472.66 : 395,472.52 = 179,077.29 : x
  2. Step 2: Convert to fraction form
    286,472.66/395,472.52 = 179,077.29/x
  3. Step 3: Cross multiply
    286,472.66x = 395,472.52 × 179,077.29
  4. Step 4: Simplify right side
    286,472.66x = 70,820,147,151.07
  5. Step 5: Solve for x
    x = 70,820,147,151.07/286,472.66
  6. Step 6: Final answer
    x = 247,214.33

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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.