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Finding the Fourth Proportional to 366,872.40, 549,790.20 and 226,213.20

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Solution

The fourth proportional to 366,872.40, 549,790.20 and 226,213.20 is: 339,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,872.40 : 549,790.20 = 226,213.20 : x
  2. Step 2: Convert to fraction form
    366,872.40/549,790.20 = 226,213.20/x
  3. Step 3: Cross multiply
    366,872.40x = 549,790.20 × 226,213.20
  4. Step 4: Simplify right side
    366,872.40x = 124,369,800,470.64
  5. Step 5: Solve for x
    x = 124,369,800,470.64/366,872.40
  6. Step 6: Final answer
    x = 339,000.16

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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.