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Finding the Fourth Proportional to 366,645.30, 549,530.55 and 329,028.90

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Solution

The fourth proportional to 366,645.30, 549,530.55 and 329,028.90 is: 493,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,645.30 : 549,530.55 = 329,028.90 : x
  2. Step 2: Convert to fraction form
    366,645.30/549,530.55 = 329,028.90/x
  3. Step 3: Cross multiply
    366,645.30x = 549,530.55 × 329,028.90
  4. Step 4: Simplify right side
    366,645.30x = 180,811,432,382.90
  5. Step 5: Solve for x
    x = 180,811,432,382.90/366,645.30
  6. Step 6: Final answer
    x = 493,150.83

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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.