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Finding the Fourth Proportional to 536,297.60, 804,554.40 and 157,217.60

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Solution

The fourth proportional to 536,297.60, 804,554.40 and 157,217.60 is: 235,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,297.60 : 804,554.40 = 157,217.60 : x
  2. Step 2: Convert to fraction form
    536,297.60/804,554.40 = 157,217.60/x
  3. Step 3: Cross multiply
    536,297.60x = 804,554.40 × 157,217.60
  4. Step 4: Simplify right side
    536,297.60x = 126,490,111,837.44
  5. Step 5: Solve for x
    x = 126,490,111,837.44/536,297.60
  6. Step 6: Final answer
    x = 235,858.06

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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.