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Finding the Fourth Proportional to 328,068.38, 452,734.38 and 177,165.38

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Solution

The fourth proportional to 328,068.38, 452,734.38 and 177,165.38 is: 244,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,068.38 : 452,734.38 = 177,165.38 : x
  2. Step 2: Convert to fraction form
    328,068.38/452,734.38 = 177,165.38/x
  3. Step 3: Cross multiply
    328,068.38x = 452,734.38 × 177,165.38
  4. Step 4: Simplify right side
    328,068.38x = 80,208,858,471.76
  5. Step 5: Solve for x
    x = 80,208,858,471.76/328,068.38
  6. Step 6: Final answer
    x = 244,488.23

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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.