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Finding the Fourth Proportional to 536,893.44, 805,437.36 and 221,174.88

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Solution

The fourth proportional to 536,893.44, 805,437.36 and 221,174.88 is: 331,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,893.44 : 805,437.36 = 221,174.88 : x
  2. Step 2: Convert to fraction form
    536,893.44/805,437.36 = 221,174.88/x
  3. Step 3: Cross multiply
    536,893.44x = 805,437.36 × 221,174.88
  4. Step 4: Simplify right side
    536,893.44x = 178,142,511,445.52
  5. Step 5: Solve for x
    x = 178,142,511,445.52/536,893.44
  6. Step 6: Final answer
    x = 331,802.36

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1.5x scale

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.