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Finding the Fourth Proportional to 593,091.18, 818,524.53 and 338,480.64

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Solution

The fourth proportional to 593,091.18, 818,524.53 and 338,480.64 is: 467,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,091.18 : 818,524.53 = 338,480.64 : x
  2. Step 2: Convert to fraction form
    593,091.18/818,524.53 = 338,480.64/x
  3. Step 3: Cross multiply
    593,091.18x = 818,524.53 × 338,480.64
  4. Step 4: Simplify right side
    593,091.18x = 277,054,706,770.10
  5. Step 5: Solve for x
    x = 277,054,706,770.10/593,091.18
  6. Step 6: Final answer
    x = 467,136.78

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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.