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Finding the Fourth Proportional to 457,752.20, 631,571.32 and 264,146.44

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Solution

The fourth proportional to 457,752.20, 631,571.32 and 264,146.44 is: 364,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,752.20 : 631,571.32 = 264,146.44 : x
  2. Step 2: Convert to fraction form
    457,752.20/631,571.32 = 264,146.44/x
  3. Step 3: Cross multiply
    457,752.20x = 631,571.32 × 264,146.44
  4. Step 4: Simplify right side
    457,752.20x = 166,827,315,784.10
  5. Step 5: Solve for x
    x = 166,827,315,784.10/457,752.20
  6. Step 6: Final answer
    x = 364,448.97

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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.