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Finding the Fourth Proportional to 503,544.72, 755,056.80 and 148,513.44

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Solution

The fourth proportional to 503,544.72, 755,056.80 and 148,513.44 is: 222,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,544.72 : 755,056.80 = 148,513.44 : x
  2. Step 2: Convert to fraction form
    503,544.72/755,056.80 = 148,513.44/x
  3. Step 3: Cross multiply
    503,544.72x = 755,056.80 × 148,513.44
  4. Step 4: Simplify right side
    503,544.72x = 112,136,082,763.39
  5. Step 5: Solve for x
    x = 112,136,082,763.39/503,544.72
  6. Step 6: Final answer
    x = 222,693.39

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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.