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Finding the Fourth Proportional to 327,088.53, 490,632.80 and 102,450.83

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Solution

The fourth proportional to 327,088.53, 490,632.80 and 102,450.83 is: 153,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,088.53 : 490,632.80 = 102,450.83 : x
  2. Step 2: Convert to fraction form
    327,088.53/490,632.80 = 102,450.83/x
  3. Step 3: Cross multiply
    327,088.53x = 490,632.80 × 102,450.83
  4. Step 4: Simplify right side
    327,088.53x = 50,265,734,619.81
  5. Step 5: Solve for x
    x = 50,265,734,619.81/327,088.53
  6. Step 6: Final answer
    x = 153,676.24

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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.