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Finding the Fourth Proportional to 325,095.60, 448,610.72 and 181,830.80

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Solution

The fourth proportional to 325,095.60, 448,610.72 and 181,830.80 is: 250,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,095.60 : 448,610.72 = 181,830.80 : x
  2. Step 2: Convert to fraction form
    325,095.60/448,610.72 = 181,830.80/x
  3. Step 3: Cross multiply
    325,095.60x = 448,610.72 × 181,830.80
  4. Step 4: Simplify right side
    325,095.60x = 81,571,246,106.18
  5. Step 5: Solve for x
    x = 81,571,246,106.18/325,095.60
  6. Step 6: Final answer
    x = 250,914.64

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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.