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Finding the Fourth Proportional to 366,401.15, 549,680.21 and 113,676.20

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Solution

The fourth proportional to 366,401.15, 549,680.21 and 113,676.20 is: 170,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,401.15 : 549,680.21 = 113,676.20 : x
  2. Step 2: Convert to fraction form
    366,401.15/549,680.21 = 113,676.20/x
  3. Step 3: Cross multiply
    366,401.15x = 549,680.21 × 113,676.20
  4. Step 4: Simplify right side
    366,401.15x = 62,485,556,919.62
  5. Step 5: Solve for x
    x = 62,485,556,919.62/366,401.15
  6. Step 6: Final answer
    x = 170,538.65

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1.5x scale

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.