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Finding the Fourth Proportional to 328,609.32, 453,597.06 and 194,473

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Solution

The fourth proportional to 328,609.32, 453,597.06 and 194,473 is: 268,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,609.32 : 453,597.06 = 194,473 : x
  2. Step 2: Convert to fraction form
    328,609.32/453,597.06 = 194,473/x
  3. Step 3: Cross multiply
    328,609.32x = 453,597.06 × 194,473
  4. Step 4: Simplify right side
    328,609.32x = 88,212,381,049.38
  5. Step 5: Solve for x
    x = 88,212,381,049.38/328,609.32
  6. Step 6: Final answer
    x = 268,441.51

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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.