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Finding the Fourth Proportional to 328,463.46, 453,280.26 and 177,560.46

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Solution

The fourth proportional to 328,463.46, 453,280.26 and 177,560.46 is: 245,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,463.46 : 453,280.26 = 177,560.46 : x
  2. Step 2: Convert to fraction form
    328,463.46/453,280.26 = 177,560.46/x
  3. Step 3: Cross multiply
    328,463.46x = 453,280.26 × 177,560.46
  4. Step 4: Simplify right side
    328,463.46x = 80,484,651,474.52
  5. Step 5: Solve for x
    x = 80,484,651,474.52/328,463.46
  6. Step 6: Final answer
    x = 245,033.81

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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.