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Finding the Fourth Proportional to 356,703.82, 492,251.14 and 195,555.41

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Solution

The fourth proportional to 356,703.82, 492,251.14 and 195,555.41 is: 269,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,703.82 : 492,251.14 = 195,555.41 : x
  2. Step 2: Convert to fraction form
    356,703.82/492,251.14 = 195,555.41/x
  3. Step 3: Cross multiply
    356,703.82x = 492,251.14 × 195,555.41
  4. Step 4: Simplify right side
    356,703.82x = 96,262,375,903.71
  5. Step 5: Solve for x
    x = 96,262,375,903.71/356,703.82
  6. Step 6: Final answer
    x = 269,866.40

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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.