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Finding the Fourth Proportional to 328,803.56, 453,700.28 and 199,674.88

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Solution

The fourth proportional to 328,803.56, 453,700.28 and 199,674.88 is: 275,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,803.56 : 453,700.28 = 199,674.88 : x
  2. Step 2: Convert to fraction form
    328,803.56/453,700.28 = 199,674.88/x
  3. Step 3: Cross multiply
    328,803.56x = 453,700.28 × 199,674.88
  4. Step 4: Simplify right side
    328,803.56x = 90,592,548,964.97
  5. Step 5: Solve for x
    x = 90,592,548,964.97/328,803.56
  6. Step 6: Final answer
    x = 275,521.80

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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.