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Finding the Fourth Proportional to 503,496.90, 755,255.43 and 187,890.84

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Solution

The fourth proportional to 503,496.90, 755,255.43 and 187,890.84 is: 281,840.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,496.90 : 755,255.43 = 187,890.84 : x
  2. Step 2: Convert to fraction form
    503,496.90/755,255.43 = 187,890.84/x
  3. Step 3: Cross multiply
    503,496.90x = 755,255.43 × 187,890.84
  4. Step 4: Simplify right side
    503,496.90x = 141,905,577,157.26
  5. Step 5: Solve for x
    x = 141,905,577,157.26/503,496.90
  6. Step 6: Final answer
    x = 281,840.02

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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.