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Finding the Fourth Proportional to 366,165.80, 548,811.30 and 188,581.40

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Solution

The fourth proportional to 366,165.80, 548,811.30 and 188,581.40 is: 282,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,165.80 : 548,811.30 = 188,581.40 : x
  2. Step 2: Convert to fraction form
    366,165.80/548,811.30 = 188,581.40/x
  3. Step 3: Cross multiply
    366,165.80x = 548,811.30 × 188,581.40
  4. Step 4: Simplify right side
    366,165.80x = 103,495,603,289.82
  5. Step 5: Solve for x
    x = 103,495,603,289.82/366,165.80
  6. Step 6: Final answer
    x = 282,646.83

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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.