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Finding the Fourth Proportional to 328,359.72, 453,132.99 and 185,166.03

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Solution

The fourth proportional to 328,359.72, 453,132.99 and 185,166.03 is: 255,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,359.72 : 453,132.99 = 185,166.03 : x
  2. Step 2: Convert to fraction form
    328,359.72/453,132.99 = 185,166.03/x
  3. Step 3: Cross multiply
    328,359.72x = 453,132.99 × 185,166.03
  4. Step 4: Simplify right side
    328,359.72x = 83,904,836,820.33
  5. Step 5: Solve for x
    x = 83,904,836,820.33/328,359.72
  6. Step 6: Final answer
    x = 255,527.19

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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.