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Finding the Fourth Proportional to 353,426.16, 530,243.73 and 203,773.80

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Solution

The fourth proportional to 353,426.16, 530,243.73 and 203,773.80 is: 305,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,426.16 : 530,243.73 = 203,773.80 : x
  2. Step 2: Convert to fraction form
    353,426.16/530,243.73 = 203,773.80/x
  3. Step 3: Cross multiply
    353,426.16x = 530,243.73 × 203,773.80
  4. Step 4: Simplify right side
    353,426.16x = 108,049,779,788.27
  5. Step 5: Solve for x
    x = 108,049,779,788.27/353,426.16
  6. Step 6: Final answer
    x = 305,720.95

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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.