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Finding the Fourth Proportional to 328,542.52, 453,361.43 and 185,337.76

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Solution

The fourth proportional to 328,542.52, 453,361.43 and 185,337.76 is: 255,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,542.52 : 453,361.43 = 185,337.76 : x
  2. Step 2: Convert to fraction form
    328,542.52/453,361.43 = 185,337.76/x
  3. Step 3: Cross multiply
    328,542.52x = 453,361.43 × 185,337.76
  4. Step 4: Simplify right side
    328,542.52x = 84,024,988,713.10
  5. Step 5: Solve for x
    x = 84,024,988,713.10/328,542.52
  6. Step 6: Final answer
    x = 255,750.73

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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.