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Finding the Fourth Proportional to 328,344.48, 453,115.89 and 177,441.48

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Solution

The fourth proportional to 328,344.48, 453,115.89 and 177,441.48 is: 244,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,344.48 : 453,115.89 = 177,441.48 : x
  2. Step 2: Convert to fraction form
    328,344.48/453,115.89 = 177,441.48/x
  3. Step 3: Cross multiply
    328,344.48x = 453,115.89 × 177,441.48
  4. Step 4: Simplify right side
    328,344.48x = 80,401,554,133.12
  5. Step 5: Solve for x
    x = 80,401,554,133.12/328,344.48
  6. Step 6: Final answer
    x = 244,869.52

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1.5x scale

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.