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Finding the Fourth Proportional to 269,020.35, 403,583.58 and 79,484.00

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Solution

The fourth proportional to 269,020.35, 403,583.58 and 79,484.00 is: 119,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,020.35 : 403,583.58 = 79,484.00 : x
  2. Step 2: Convert to fraction form
    269,020.35/403,583.58 = 79,484.00/x
  3. Step 3: Cross multiply
    269,020.35x = 403,583.58 × 79,484.00
  4. Step 4: Simplify right side
    269,020.35x = 32,078,435,254.80
  5. Step 5: Solve for x
    x = 32,078,435,254.80/269,020.35
  6. Step 6: Final answer
    x = 119,241.67

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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.