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Finding the Fourth Proportional to 536,633.81, 740,546.15 and 294,911.18

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Solution

The fourth proportional to 536,633.81, 740,546.15 and 294,911.18 is: 406,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,633.81 : 740,546.15 = 294,911.18 : x
  2. Step 2: Convert to fraction form
    536,633.81/740,546.15 = 294,911.18/x
  3. Step 3: Cross multiply
    536,633.81x = 740,546.15 × 294,911.18
  4. Step 4: Simplify right side
    536,633.81x = 218,395,336,540.72
  5. Step 5: Solve for x
    x = 218,395,336,540.72/536,633.81
  6. Step 6: Final answer
    x = 406,972.75

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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.