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Finding the Fourth Proportional to 328,137.57, 452,830.14 and 177,234.57

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Solution

The fourth proportional to 328,137.57, 452,830.14 and 177,234.57 is: 244,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,137.57 : 452,830.14 = 177,234.57 : x
  2. Step 2: Convert to fraction form
    328,137.57/452,830.14 = 177,234.57/x
  3. Step 3: Cross multiply
    328,137.57x = 452,830.14 × 177,234.57
  4. Step 4: Simplify right side
    328,137.57x = 80,257,155,145.94
  5. Step 5: Solve for x
    x = 80,257,155,145.94/328,137.57
  6. Step 6: Final answer
    x = 244,583.87

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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.