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Finding the Fourth Proportional to 255,037.20, 352,018.92 and 179,619.60

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Solution

The fourth proportional to 255,037.20, 352,018.92 and 179,619.60 is: 247,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,037.20 : 352,018.92 = 179,619.60 : x
  2. Step 2: Convert to fraction form
    255,037.20/352,018.92 = 179,619.60/x
  3. Step 3: Cross multiply
    255,037.20x = 352,018.92 × 179,619.60
  4. Step 4: Simplify right side
    255,037.20x = 63,229,497,602.83
  5. Step 5: Solve for x
    x = 63,229,497,602.83/255,037.20
  6. Step 6: Final answer
    x = 247,922.65

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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.