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Finding the Fourth Proportional to 356,368.93, 491,801.37 and 195,223.94

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Solution

The fourth proportional to 356,368.93, 491,801.37 and 195,223.94 is: 269,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,368.93 : 491,801.37 = 195,223.94 : x
  2. Step 2: Convert to fraction form
    356,368.93/491,801.37 = 195,223.94/x
  3. Step 3: Cross multiply
    356,368.93x = 491,801.37 × 195,223.94
  4. Step 4: Simplify right side
    356,368.93x = 96,011,399,919.29
  5. Step 5: Solve for x
    x = 96,011,399,919.29/356,368.93
  6. Step 6: Final answer
    x = 269,415.74

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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.