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Finding the Fourth Proportional to 366,919.30, 549,860.55 and 271,404.10

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Solution

The fourth proportional to 366,919.30, 549,860.55 and 271,404.10 is: 406,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,919.30 : 549,860.55 = 271,404.10 : x
  2. Step 2: Convert to fraction form
    366,919.30/549,860.55 = 271,404.10/x
  3. Step 3: Cross multiply
    366,919.30x = 549,860.55 × 271,404.10
  4. Step 4: Simplify right side
    366,919.30x = 149,234,407,698.26
  5. Step 5: Solve for x
    x = 149,234,407,698.26/366,919.30
  6. Step 6: Final answer
    x = 406,722.70

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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.