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Finding the Fourth Proportional to 328,853.28, 453,818.73 and 177,950.28

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Solution

The fourth proportional to 328,853.28, 453,818.73 and 177,950.28 is: 245,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,853.28 : 453,818.73 = 177,950.28 : x
  2. Step 2: Convert to fraction form
    328,853.28/453,818.73 = 177,950.28/x
  3. Step 3: Cross multiply
    328,853.28x = 453,818.73 × 177,950.28
  4. Step 4: Simplify right side
    328,853.28x = 80,757,170,072.74
  5. Step 5: Solve for x
    x = 80,757,170,072.74/328,853.28
  6. Step 6: Final answer
    x = 245,572.04

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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.