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Finding the Fourth Proportional to 328,426.32, 453,228.23 and 177,523.32

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Solution

The fourth proportional to 328,426.32, 453,228.23 and 177,523.32 is: 244,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,426.32 : 453,228.23 = 177,523.32 : x
  2. Step 2: Convert to fraction form
    328,426.32/453,228.23 = 177,523.32/x
  3. Step 3: Cross multiply
    328,426.32x = 453,228.23 × 177,523.32
  4. Step 4: Simplify right side
    328,426.32x = 80,458,579,219.71
  5. Step 5: Solve for x
    x = 80,458,579,219.71/328,426.32
  6. Step 6: Final answer
    x = 244,982.13

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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.