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Finding the Fourth Proportional to 328,176, 452,883.12 and 177,273

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Solution

The fourth proportional to 328,176, 452,883.12 and 177,273 is: 244,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,176 : 452,883.12 = 177,273 : x
  2. Step 2: Convert to fraction form
    328,176/452,883.12 = 177,273/x
  3. Step 3: Cross multiply
    328,176x = 452,883.12 × 177,273
  4. Step 4: Simplify right side
    328,176x = 80,283,949,331.76
  5. Step 5: Solve for x
    x = 80,283,949,331.76/328,176
  6. Step 6: Final answer
    x = 244,636.87

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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.