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Finding the Fourth Proportional to 483,457.65, 667,190.12 and 265,675.51

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Solution

The fourth proportional to 483,457.65, 667,190.12 and 265,675.51 is: 366,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,457.65 : 667,190.12 = 265,675.51 : x
  2. Step 2: Convert to fraction form
    483,457.65/667,190.12 = 265,675.51/x
  3. Step 3: Cross multiply
    483,457.65x = 667,190.12 × 265,675.51
  4. Step 4: Simplify right side
    483,457.65x = 177,256,074,903.57
  5. Step 5: Solve for x
    x = 177,256,074,903.57/483,457.65
  6. Step 6: Final answer
    x = 366,642.41

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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.