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Finding the Fourth Proportional to 366,234.70, 549,352.05 and 129,601.30

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Solution

The fourth proportional to 366,234.70, 549,352.05 and 129,601.30 is: 194,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,234.70 : 549,352.05 = 129,601.30 : x
  2. Step 2: Convert to fraction form
    366,234.70/549,352.05 = 129,601.30/x
  3. Step 3: Cross multiply
    366,234.70x = 549,352.05 × 129,601.30
  4. Step 4: Simplify right side
    366,234.70x = 71,196,739,837.67
  5. Step 5: Solve for x
    x = 71,196,739,837.67/366,234.70
  6. Step 6: Final answer
    x = 194,401.95

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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.