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Finding the Fourth Proportional to 328,637.52, 453,520.08 and 177,734.52

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Solution

The fourth proportional to 328,637.52, 453,520.08 and 177,734.52 is: 245,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,637.52 : 453,520.08 = 177,734.52 : x
  2. Step 2: Convert to fraction form
    328,637.52/453,520.08 = 177,734.52/x
  3. Step 3: Cross multiply
    328,637.52x = 453,520.08 × 177,734.52
  4. Step 4: Simplify right side
    328,637.52x = 80,606,173,729.16
  5. Step 5: Solve for x
    x = 80,606,173,729.16/328,637.52
  6. Step 6: Final answer
    x = 245,273.80

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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.