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Finding the Fourth Proportional to 328,878.44, 453,853.66 and 177,975.44

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Solution

The fourth proportional to 328,878.44, 453,853.66 and 177,975.44 is: 245,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,878.44 : 453,853.66 = 177,975.44 : x
  2. Step 2: Convert to fraction form
    328,878.44/453,853.66 = 177,975.44/x
  3. Step 3: Cross multiply
    328,878.44x = 453,853.66 × 177,975.44
  4. Step 4: Simplify right side
    328,878.44x = 80,774,804,834.11
  5. Step 5: Solve for x
    x = 80,774,804,834.11/328,878.44
  6. Step 6: Final answer
    x = 245,606.87

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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.