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Finding the Fourth Proportional to 484,808.64, 727,323.12 and 147,879.44

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Solution

The fourth proportional to 484,808.64, 727,323.12 and 147,879.44 is: 221,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,808.64 : 727,323.12 = 147,879.44 : x
  2. Step 2: Convert to fraction form
    484,808.64/727,323.12 = 147,879.44/x
  3. Step 3: Cross multiply
    484,808.64x = 727,323.12 × 147,879.44
  4. Step 4: Simplify right side
    484,808.64x = 107,556,135,684.65
  5. Step 5: Solve for x
    x = 107,556,135,684.65/484,808.64
  6. Step 6: Final answer
    x = 221,852.76

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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.