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Finding the Fourth Proportional to 328,953.32, 453,906.72 and 192,935.96

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Solution

The fourth proportional to 328,953.32, 453,906.72 and 192,935.96 is: 266,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,953.32 : 453,906.72 = 192,935.96 : x
  2. Step 2: Convert to fraction form
    328,953.32/453,906.72 = 192,935.96/x
  3. Step 3: Cross multiply
    328,953.32x = 453,906.72 × 192,935.96
  4. Step 4: Simplify right side
    328,953.32x = 87,574,928,773.65
  5. Step 5: Solve for x
    x = 87,574,928,773.65/328,953.32
  6. Step 6: Final answer
    x = 266,222.97

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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.