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Finding the Fourth Proportional to 536,649.88, 804,966.60 and 137,287.27

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Solution

The fourth proportional to 536,649.88, 804,966.60 and 137,287.27 is: 205,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,649.88 : 804,966.60 = 137,287.27 : x
  2. Step 2: Convert to fraction form
    536,649.88/804,966.60 = 137,287.27/x
  3. Step 3: Cross multiply
    536,649.88x = 804,966.60 × 137,287.27
  4. Step 4: Simplify right side
    536,649.88x = 110,511,666,955.18
  5. Step 5: Solve for x
    x = 110,511,666,955.18/536,649.88
  6. Step 6: Final answer
    x = 205,928.80

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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.