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Finding the Fourth Proportional to 328,522.87, 453,361.48 and 185,282.61

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Solution

The fourth proportional to 328,522.87, 453,361.48 and 185,282.61 is: 255,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,522.87 : 453,361.48 = 185,282.61 : x
  2. Step 2: Convert to fraction form
    328,522.87/453,361.48 = 185,282.61/x
  3. Step 3: Cross multiply
    328,522.87x = 453,361.48 × 185,282.61
  4. Step 4: Simplify right side
    328,522.87x = 83,999,998,287.86
  5. Step 5: Solve for x
    x = 83,999,998,287.86/328,522.87
  6. Step 6: Final answer
    x = 255,689.96

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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.