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Finding the Fourth Proportional to 235,280.88, 324,556.20 and 144,573.84

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Solution

The fourth proportional to 235,280.88, 324,556.20 and 144,573.84 is: 199,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,280.88 : 324,556.20 = 144,573.84 : x
  2. Step 2: Convert to fraction form
    235,280.88/324,556.20 = 144,573.84/x
  3. Step 3: Cross multiply
    235,280.88x = 324,556.20 × 144,573.84
  4. Step 4: Simplify right side
    235,280.88x = 46,922,336,129.81
  5. Step 5: Solve for x
    x = 46,922,336,129.81/235,280.88
  6. Step 6: Final answer
    x = 199,431.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.