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Finding the Fourth Proportional to 649,832.16, 974,826 and 229,020.96

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Solution

The fourth proportional to 649,832.16, 974,826 and 229,020.96 is: 343,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,832.16 : 974,826 = 229,020.96 : x
  2. Step 2: Convert to fraction form
    649,832.16/974,826 = 229,020.96/x
  3. Step 3: Cross multiply
    649,832.16x = 974,826 × 229,020.96
  4. Step 4: Simplify right side
    649,832.16x = 223,255,586,352.96
  5. Step 5: Solve for x
    x = 223,255,586,352.96/649,832.16
  6. Step 6: Final answer
    x = 343,558.85

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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.