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Finding the Fourth Proportional to 328,451.46, 453,278.55 and 185,208.44

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Solution

The fourth proportional to 328,451.46, 453,278.55 and 185,208.44 is: 255,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,451.46 : 453,278.55 = 185,208.44 : x
  2. Step 2: Convert to fraction form
    328,451.46/453,278.55 = 185,208.44/x
  3. Step 3: Cross multiply
    328,451.46x = 453,278.55 × 185,208.44
  4. Step 4: Simplify right side
    328,451.46x = 83,951,010,864.57
  5. Step 5: Solve for x
    x = 83,951,010,864.57/328,451.46
  6. Step 6: Final answer
    x = 255,596.40

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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.