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Finding the Fourth Proportional to 328,226.41, 492,142.76 and 150,510.79

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Solution

The fourth proportional to 328,226.41, 492,142.76 and 150,510.79 is: 225,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,226.41 : 492,142.76 = 150,510.79 : x
  2. Step 2: Convert to fraction form
    328,226.41/492,142.76 = 150,510.79/x
  3. Step 3: Cross multiply
    328,226.41x = 492,142.76 × 150,510.79
  4. Step 4: Simplify right side
    328,226.41x = 74,072,794,847.83
  5. Step 5: Solve for x
    x = 74,072,794,847.83/328,226.41
  6. Step 6: Final answer
    x = 225,675.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.