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Finding the Fourth Proportional to 328,872.76, 453,844.82 and 177,969.76

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Solution

The fourth proportional to 328,872.76, 453,844.82 and 177,969.76 is: 245,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,872.76 : 453,844.82 = 177,969.76 : x
  2. Step 2: Convert to fraction form
    328,872.76/453,844.82 = 177,969.76/x
  3. Step 3: Cross multiply
    328,872.76x = 453,844.82 × 177,969.76
  4. Step 4: Simplify right side
    328,872.76x = 80,770,653,692.64
  5. Step 5: Solve for x
    x = 80,770,653,692.64/328,872.76
  6. Step 6: Final answer
    x = 245,598.49

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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.