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Finding the Fourth Proportional to 328,658, 453,548.20 and 177,754.96

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Solution

The fourth proportional to 328,658, 453,548.20 and 177,754.96 is: 245,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,658 : 453,548.20 = 177,754.96 : x
  2. Step 2: Convert to fraction form
    328,658/453,548.20 = 177,754.96/x
  3. Step 3: Cross multiply
    328,658x = 453,548.20 × 177,754.96
  4. Step 4: Simplify right side
    328,658x = 80,620,442,149.07
  5. Step 5: Solve for x
    x = 80,620,442,149.07/328,658
  6. Step 6: Final answer
    x = 245,301.93

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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.