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Finding the Fourth Proportional to 321,751.80, 444,037.60 and 185,810.60

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Solution

The fourth proportional to 321,751.80, 444,037.60 and 185,810.60 is: 256,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,751.80 : 444,037.60 = 185,810.60 : x
  2. Step 2: Convert to fraction form
    321,751.80/444,037.60 = 185,810.60/x
  3. Step 3: Cross multiply
    321,751.80x = 444,037.60 × 185,810.60
  4. Step 4: Simplify right side
    321,751.80x = 82,506,892,878.56
  5. Step 5: Solve for x
    x = 82,506,892,878.56/321,751.80
  6. Step 6: Final answer
    x = 256,430.24

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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.