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Finding the Fourth Proportional to 347,373.89, 479,384.48 and 194,410.88

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Solution

The fourth proportional to 347,373.89, 479,384.48 and 194,410.88 is: 268,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,373.89 : 479,384.48 = 194,410.88 : x
  2. Step 2: Convert to fraction form
    347,373.89/479,384.48 = 194,410.88/x
  3. Step 3: Cross multiply
    347,373.89x = 479,384.48 × 194,410.88
  4. Step 4: Simplify right side
    347,373.89x = 93,197,558,615.14
  5. Step 5: Solve for x
    x = 93,197,558,615.14/347,373.89
  6. Step 6: Final answer
    x = 268,291.78

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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.