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Finding the Fourth Proportional to 356,343.07, 491,753.54 and 195,203.89

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Solution

The fourth proportional to 356,343.07, 491,753.54 and 195,203.89 is: 269,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,343.07 : 491,753.54 = 195,203.89 : x
  2. Step 2: Convert to fraction form
    356,343.07/491,753.54 = 195,203.89/x
  3. Step 3: Cross multiply
    356,343.07x = 491,753.54 × 195,203.89
  4. Step 4: Simplify right side
    356,343.07x = 95,992,203,929.27
  5. Step 5: Solve for x
    x = 95,992,203,929.27/356,343.07
  6. Step 6: Final answer
    x = 269,381.42

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1.5x scale

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.