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Finding the Fourth Proportional to 328,051.50, 452,711.07 and 177,148.50

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Solution

The fourth proportional to 328,051.50, 452,711.07 and 177,148.50 is: 244,464.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,051.50 : 452,711.07 = 177,148.50 : x
  2. Step 2: Convert to fraction form
    328,051.50/452,711.07 = 177,148.50/x
  3. Step 3: Cross multiply
    328,051.50x = 452,711.07 × 177,148.50
  4. Step 4: Simplify right side
    328,051.50x = 80,197,086,983.90
  5. Step 5: Solve for x
    x = 80,197,086,983.90/328,051.50
  6. Step 6: Final answer
    x = 244,464.93

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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.