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Finding the Fourth Proportional to 536,648.25, 804,999.95 and 137,292.49

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Solution

The fourth proportional to 536,648.25, 804,999.95 and 137,292.49 is: 205,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,648.25 : 804,999.95 = 137,292.49 : x
  2. Step 2: Convert to fraction form
    536,648.25/804,999.95 = 137,292.49/x
  3. Step 3: Cross multiply
    536,648.25x = 804,999.95 × 137,292.49
  4. Step 4: Simplify right side
    536,648.25x = 110,520,447,585.38
  5. Step 5: Solve for x
    x = 110,520,447,585.38/536,648.25
  6. Step 6: Final answer
    x = 205,945.79

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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.