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Finding the Fourth Proportional to 356,496.08, 491,956.84 and 195,347.64

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Solution

The fourth proportional to 356,496.08, 491,956.84 and 195,347.64 is: 269,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,496.08 : 491,956.84 = 195,347.64 : x
  2. Step 2: Convert to fraction form
    356,496.08/491,956.84 = 195,347.64/x
  3. Step 3: Cross multiply
    356,496.08x = 491,956.84 × 195,347.64
  4. Step 4: Simplify right side
    356,496.08x = 96,102,607,675.86
  5. Step 5: Solve for x
    x = 96,102,607,675.86/356,496.08
  6. Step 6: Final answer
    x = 269,575.50

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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.