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Finding the Fourth Proportional to 347,173.48, 479,080.13 and 194,182.11

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Solution

The fourth proportional to 347,173.48, 479,080.13 and 194,182.11 is: 267,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,173.48 : 479,080.13 = 194,182.11 : x
  2. Step 2: Convert to fraction form
    347,173.48/479,080.13 = 194,182.11/x
  3. Step 3: Cross multiply
    347,173.48x = 479,080.13 × 194,182.11
  4. Step 4: Simplify right side
    347,173.48x = 93,028,790,502.47
  5. Step 5: Solve for x
    x = 93,028,790,502.47/347,173.48
  6. Step 6: Final answer
    x = 267,960.53

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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.