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Finding the Fourth Proportional to 328,081.22, 452,752.08 and 177,178.22

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Solution

The fourth proportional to 328,081.22, 452,752.08 and 177,178.22 is: 244,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,081.22 : 452,752.08 = 177,178.22 : x
  2. Step 2: Convert to fraction form
    328,081.22/452,752.08 = 177,178.22/x
  3. Step 3: Cross multiply
    328,081.22x = 452,752.08 × 177,178.22
  4. Step 4: Simplify right side
    328,081.22x = 80,217,807,635.70
  5. Step 5: Solve for x
    x = 80,217,807,635.70/328,081.22
  6. Step 6: Final answer
    x = 244,505.94

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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.