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Finding the Fourth Proportional to 366,401.36, 549,654.21 and 113,703.69

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Solution

The fourth proportional to 366,401.36, 549,654.21 and 113,703.69 is: 170,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,401.36 : 549,654.21 = 113,703.69 : x
  2. Step 2: Convert to fraction form
    366,401.36/549,654.21 = 113,703.69/x
  3. Step 3: Cross multiply
    366,401.36x = 549,654.21 × 113,703.69
  4. Step 4: Simplify right side
    366,401.36x = 62,497,711,640.36
  5. Step 5: Solve for x
    x = 62,497,711,640.36/366,401.36
  6. Step 6: Final answer
    x = 170,571.72

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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.