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Finding the Fourth Proportional to 463,933.44, 640,206.72 and 262,730.88

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Solution

The fourth proportional to 463,933.44, 640,206.72 and 262,730.88 is: 362,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,933.44 : 640,206.72 = 262,730.88 : x
  2. Step 2: Convert to fraction form
    463,933.44/640,206.72 = 262,730.88/x
  3. Step 3: Cross multiply
    463,933.44x = 640,206.72 × 262,730.88
  4. Step 4: Simplify right side
    463,933.44x = 168,202,074,927.51
  5. Step 5: Solve for x
    x = 168,202,074,927.51/463,933.44
  6. Step 6: Final answer
    x = 362,556.48

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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.