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Finding the Fourth Proportional to 345,700.44, 477,049.50 and 194,807.16

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Solution

The fourth proportional to 345,700.44, 477,049.50 and 194,807.16 is: 268,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,700.44 : 477,049.50 = 194,807.16 : x
  2. Step 2: Convert to fraction form
    345,700.44/477,049.50 = 194,807.16/x
  3. Step 3: Cross multiply
    345,700.44x = 477,049.50 × 194,807.16
  4. Step 4: Simplify right side
    345,700.44x = 92,932,658,274.42
  5. Step 5: Solve for x
    x = 92,932,658,274.42/345,700.44
  6. Step 6: Final answer
    x = 268,824.24

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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.