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Finding the Fourth Proportional to 366,655.80, 549,546.30 and 329,039.40

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Solution

The fourth proportional to 366,655.80, 549,546.30 and 329,039.40 is: 493,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,655.80 : 549,546.30 = 329,039.40 : x
  2. Step 2: Convert to fraction form
    366,655.80/549,546.30 = 329,039.40/x
  3. Step 3: Cross multiply
    366,655.80x = 549,546.30 × 329,039.40
  4. Step 4: Simplify right side
    366,655.80x = 180,822,384,824.22
  5. Step 5: Solve for x
    x = 180,822,384,824.22/366,655.80
  6. Step 6: Final answer
    x = 493,166.57

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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.