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Finding the Fourth Proportional to 483,305.14, 667,203.51 and 302,117.86

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Solution

The fourth proportional to 483,305.14, 667,203.51 and 302,117.86 is: 417,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,305.14 : 667,203.51 = 302,117.86 : x
  2. Step 2: Convert to fraction form
    483,305.14/667,203.51 = 302,117.86/x
  3. Step 3: Cross multiply
    483,305.14x = 667,203.51 × 302,117.86
  4. Step 4: Simplify right side
    483,305.14x = 201,574,096,625.69
  5. Step 5: Solve for x
    x = 201,574,096,625.69/483,305.14
  6. Step 6: Final answer
    x = 417,074.18

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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.