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Finding the Fourth Proportional to 328,527.88, 453,369.15 and 177,624.88

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Solution

The fourth proportional to 328,527.88, 453,369.15 and 177,624.88 is: 245,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,527.88 : 453,369.15 = 177,624.88 : x
  2. Step 2: Convert to fraction form
    328,527.88/453,369.15 = 177,624.88/x
  3. Step 3: Cross multiply
    328,527.88x = 453,369.15 × 177,624.88
  4. Step 4: Simplify right side
    328,527.88x = 80,529,640,864.45
  5. Step 5: Solve for x
    x = 80,529,640,864.45/328,527.88
  6. Step 6: Final answer
    x = 245,122.70

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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.