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Finding the Fourth Proportional to 536,647.88, 804,963.61 and 137,285.27

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Solution

The fourth proportional to 536,647.88, 804,963.61 and 137,285.27 is: 205,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,647.88 : 804,963.61 = 137,285.27 : x
  2. Step 2: Convert to fraction form
    536,647.88/804,963.61 = 137,285.27/x
  3. Step 3: Cross multiply
    536,647.88x = 804,963.61 × 137,285.27
  4. Step 4: Simplify right side
    536,647.88x = 110,509,645,852.60
  5. Step 5: Solve for x
    x = 110,509,645,852.60/536,647.88
  6. Step 6: Final answer
    x = 205,925.81

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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.