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Finding the Fourth Proportional to 366,228.60, 548,933.30 and 208,532.60

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Solution

The fourth proportional to 366,228.60, 548,933.30 and 208,532.60 is: 312,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,228.60 : 548,933.30 = 208,532.60 : x
  2. Step 2: Convert to fraction form
    366,228.60/548,933.30 = 208,532.60/x
  3. Step 3: Cross multiply
    366,228.60x = 548,933.30 × 208,532.60
  4. Step 4: Simplify right side
    366,228.60x = 114,470,488,275.58
  5. Step 5: Solve for x
    x = 114,470,488,275.58/366,228.60
  6. Step 6: Final answer
    x = 312,565.67

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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.