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Finding the Fourth Proportional to 347,580.42, 479,621.30 and 194,597.34

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Solution

The fourth proportional to 347,580.42, 479,621.30 and 194,597.34 is: 268,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,580.42 : 479,621.30 = 194,597.34 : x
  2. Step 2: Convert to fraction form
    347,580.42/479,621.30 = 194,597.34/x
  3. Step 3: Cross multiply
    347,580.42x = 479,621.30 × 194,597.34
  4. Step 4: Simplify right side
    347,580.42x = 93,333,029,187.34
  5. Step 5: Solve for x
    x = 93,333,029,187.34/347,580.42
  6. Step 6: Final answer
    x = 268,522.11

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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.