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Finding the Fourth Proportional to 321,035.37, 443,033.45 and 185,066.84

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Solution

The fourth proportional to 321,035.37, 443,033.45 and 185,066.84 is: 255,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,035.37 : 443,033.45 = 185,066.84 : x
  2. Step 2: Convert to fraction form
    321,035.37/443,033.45 = 185,066.84/x
  3. Step 3: Cross multiply
    321,035.37x = 443,033.45 × 185,066.84
  4. Step 4: Simplify right side
    321,035.37x = 81,990,801,482.05
  5. Step 5: Solve for x
    x = 81,990,801,482.05/321,035.37
  6. Step 6: Final answer
    x = 255,394.92

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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.