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Finding the Fourth Proportional to 468,103.28, 645,999.08 and 264,142.31

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Solution

The fourth proportional to 468,103.28, 645,999.08 and 264,142.31 is: 364,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,103.28 : 645,999.08 = 264,142.31 : x
  2. Step 2: Convert to fraction form
    468,103.28/645,999.08 = 264,142.31/x
  3. Step 3: Cross multiply
    468,103.28x = 645,999.08 × 264,142.31
  4. Step 4: Simplify right side
    468,103.28x = 170,635,684,698.37
  5. Step 5: Solve for x
    x = 170,635,684,698.37/468,103.28
  6. Step 6: Final answer
    x = 364,525.72

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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.