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Finding the Fourth Proportional to 625,756.44, 938,077.98 and 226,308.40

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Solution

The fourth proportional to 625,756.44, 938,077.98 and 226,308.40 is: 339,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,756.44 : 938,077.98 = 226,308.40 : x
  2. Step 2: Convert to fraction form
    625,756.44/938,077.98 = 226,308.40/x
  3. Step 3: Cross multiply
    625,756.44x = 938,077.98 × 226,308.40
  4. Step 4: Simplify right side
    625,756.44x = 212,294,923,535.18
  5. Step 5: Solve for x
    x = 212,294,923,535.18/625,756.44
  6. Step 6: Final answer
    x = 339,261.27

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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.