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Finding the Fourth Proportional to 536,614.40, 804,913.32 and 137,251.64

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Solution

The fourth proportional to 536,614.40, 804,913.32 and 137,251.64 is: 205,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,614.40 : 804,913.32 = 137,251.64 : x
  2. Step 2: Convert to fraction form
    536,614.40/804,913.32 = 137,251.64/x
  3. Step 3: Cross multiply
    536,614.40x = 804,913.32 × 137,251.64
  4. Step 4: Simplify right side
    536,614.40x = 110,475,673,227.85
  5. Step 5: Solve for x
    x = 110,475,673,227.85/536,614.40
  6. Step 6: Final answer
    x = 205,875.34

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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.