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Finding the Fourth Proportional to 328,432.56, 453,237.06 and 177,529.56

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Solution

The fourth proportional to 328,432.56, 453,237.06 and 177,529.56 is: 244,990.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,432.56 : 453,237.06 = 177,529.56 : x
  2. Step 2: Convert to fraction form
    328,432.56/453,237.06 = 177,529.56/x
  3. Step 3: Cross multiply
    328,432.56x = 453,237.06 × 177,529.56
  4. Step 4: Simplify right side
    328,432.56x = 80,462,975,837.49
  5. Step 5: Solve for x
    x = 80,462,975,837.49/328,432.56
  6. Step 6: Final answer
    x = 244,990.86

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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.