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Finding the Fourth Proportional to 353,586.16, 530,379.24 and 104,209.84

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Solution

The fourth proportional to 353,586.16, 530,379.24 and 104,209.84 is: 156,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,586.16 : 530,379.24 = 104,209.84 : x
  2. Step 2: Convert to fraction form
    353,586.16/530,379.24 = 104,209.84/x
  3. Step 3: Cross multiply
    353,586.16x = 530,379.24 × 104,209.84
  4. Step 4: Simplify right side
    353,586.16x = 55,270,735,739.72
  5. Step 5: Solve for x
    x = 55,270,735,739.72/353,586.16
  6. Step 6: Final answer
    x = 156,314.76

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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.