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Finding the Fourth Proportional to 361,482.48, 541,653.39 and 133,464.54

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Solution

The fourth proportional to 361,482.48, 541,653.39 and 133,464.54 is: 199,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,482.48 : 541,653.39 = 133,464.54 : x
  2. Step 2: Convert to fraction form
    361,482.48/541,653.39 = 133,464.54/x
  3. Step 3: Cross multiply
    361,482.48x = 541,653.39 × 133,464.54
  4. Step 4: Simplify right side
    361,482.48x = 72,291,520,535.79
  5. Step 5: Solve for x
    x = 72,291,520,535.79/361,482.48
  6. Step 6: Final answer
    x = 199,986.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.