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Finding the Fourth Proportional to 483,365.12, 666,523.80 and 302,010.80

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Solution

The fourth proportional to 483,365.12, 666,523.80 and 302,010.80 is: 416,449.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,365.12 : 666,523.80 = 302,010.80 : x
  2. Step 2: Convert to fraction form
    483,365.12/666,523.80 = 302,010.80/x
  3. Step 3: Cross multiply
    483,365.12x = 666,523.80 × 302,010.80
  4. Step 4: Simplify right side
    483,365.12x = 201,297,386,057.04
  5. Step 5: Solve for x
    x = 201,297,386,057.04/483,365.12
  6. Step 6: Final answer
    x = 416,449.96

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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.