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Finding the Fourth Proportional to 328,219.76, 452,769.66 and 226,069.53

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Solution

The fourth proportional to 328,219.76, 452,769.66 and 226,069.53 is: 311,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,219.76 : 452,769.66 = 226,069.53 : x
  2. Step 2: Convert to fraction form
    328,219.76/452,769.66 = 226,069.53/x
  3. Step 3: Cross multiply
    328,219.76x = 452,769.66 × 226,069.53
  4. Step 4: Simplify right side
    328,219.76x = 102,357,424,234.46
  5. Step 5: Solve for x
    x = 102,357,424,234.46/328,219.76
  6. Step 6: Final answer
    x = 311,856.38

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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.