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Finding the Fourth Proportional to 626,226.64, 939,452.28 and 293,794

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Solution

The fourth proportional to 626,226.64, 939,452.28 and 293,794 is: 440,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,226.64 : 939,452.28 = 293,794 : x
  2. Step 2: Convert to fraction form
    626,226.64/939,452.28 = 293,794/x
  3. Step 3: Cross multiply
    626,226.64x = 939,452.28 × 293,794
  4. Step 4: Simplify right side
    626,226.64x = 276,005,443,150.32
  5. Step 5: Solve for x
    x = 276,005,443,150.32/626,226.64
  6. Step 6: Final answer
    x = 440,743.69

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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.