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Finding the Fourth Proportional to 370,645.25, 556,037.46 and 168,255.56

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Solution

The fourth proportional to 370,645.25, 556,037.46 and 168,255.56 is: 252,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,645.25 : 556,037.46 = 168,255.56 : x
  2. Step 2: Convert to fraction form
    370,645.25/556,037.46 = 168,255.56/x
  3. Step 3: Cross multiply
    370,645.25x = 556,037.46 × 168,255.56
  4. Step 4: Simplify right side
    370,645.25x = 93,556,391,433.09
  5. Step 5: Solve for x
    x = 93,556,391,433.09/370,645.25
  6. Step 6: Final answer
    x = 252,414.92

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1.5x scale

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.